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Giannakopoulos G, Zaravinos-Tsakos F, Pilafa E, Sourander A, Kolaitis G. Self-injurious behavior in Greek adolescents: The role of mental health problems and COVID-19 trauma. BMC Psychiatry. 2025;25(1):579.
Giannakopoulos G, Prassou A.
Mediating and moderating mechanisms in the relationship between social media use and adolescent aggression: A scoping review of quantitative evidence.
 Eur J Investig Health Psychol Educ. 2025;15(6):98.
Giannakopoulos G, Zaravinos-Tsakos F, Farmakopoulou I, van Pelt BJ, Maras A, Kolaitis G. Unraveling youth trauma and parental influence after twin earthquakes. Healthcare. 2025;13:1249.
Giannakopoulos G. Adolescents with ADHD in the school environment: a comprehensive review of academic, social, and emotional challenges and interventions. J Clin Images Med Case Rep. 2025;6(3):3528.
Chronopoulou N, Zaravinos-Tsakos F, Kolaitis G, Giannakopoulos G. Maternal psychopathology and family functioning as predictors of externalizing behavior in adolescents: a cross-sectional study in Greece. Adolescents. 2025;5(2):17.
Fostini A, Zaravinos-Tsakos F, Kolaitis G, Giannakopoulos G. Parents’ reflective functioning, emotion regulation, and health: associations with children’s functional somatic symptoms. Psychol Int. 2025;7(2):31.
Giannakopoulos G. Shaping adolescent lives: The influence of personality traits on mental health and behavioral outcomes. Glob Health Econ Sustain. 2025:025080013.
Giannakopoulos G, Zaravinos-Tsakos F, Mastrogiannakou M, Sourander A, Kolaitis G. Changes in Bullying Experiences and Mental Health Problems Among Adolescents Before and After the COVID-19 Pandemic in Greece. Int J Environ Res Public Health. 2025;22(4):497.
Sourander A, Westerlund M, Kaneko H, Heinonen E, Brunstein Klomek A, Ong SH, Fossum S, Kolaitis G, Lesinskiene S, Li L, et al. Cross-Cultural Comparison of the Strengths and Difficulties Self-Report Questionnaire in 12 Asian and European Countries. J Am Acad Child Adolesc Psychiatry. 2024.
Sofrona E, Giannakopoulos G. The Impact of Parental Depressive, Anxiety, and Stress Symptoms on Adolescents’ Mental Health and Quality of Life: The Moderating Role of Parental Rejection. Children. 2024;11(11).
Gerosideris N, Daskalou SD, Kolaitis G, Giannakopoulos G, Papanikolaou K. Adaptive behavior of school-aged children with Autism Spectrum Disorder. World J Adv Res Rev. 2023;20(3):731-742.
Kolaitis G, Zaravinos-Tsakos F, Rokas I-M, Syros I, Tsakali A, Belivanaki M, Giannakopoulos G. Navigating young minds: reliability and validity of the Greek version of kiddie – schedule for affective disorders and schizophrenia – present and lifetime DSM-5 version (K-SADS-PL-GR-5). BMC Psychiatry. 2023;23(1):614.
Mori Y, Tiiri E, Lempinen L, Klomek AB, Kolaitis G, Slobodskaya HR, Kaneko H, Srabstein JC, Li L, Huong MN, et al. Feeling Unsafe at School Among Adolescents in 13 Asian and European Countries: Occurrence and Associated Factors. Front Psychiatry. 2022;13:823609.
Koutsouradi G, Giannakopoulos G, Dalma A, Lagiou A, Kolaitis G, Benetou V. Healthcare Providers’ Cultural Competence from the Perspective of Newly Arrived Refugees and Asylum Seekers: A Qualitative Study in Greece. J Immigr Refug Stud. 2022;22(4):741 - 754.
Chudal R, Tiiri E, Brunstein Klomek A, Ong SH, Fossum S, Kaneko H, Kolaitis G, Lesinskiene S, Li L, Huong MN, et al. Victimization by traditional bullying and cyberbullying and the combination of these among adolescents in 13 European and Asian countries. Eur Child Adolesc Psychiatry. 2022;31(9):1391 - 1404.
Σουροπάνη Μ, Ζαραβίνος-Τσάκος Φ, Γιαννακόπουλος Γ, Χαρμανδάρη Ε, Κολαΐτης Γ. Εξωτερικευόμενα και εσωτερικευόμενα προβλήματα σε παιδιά προερχόμενα από εξωσωματική γονιμοποίηση: Μια συγχρονική μελέτη σε κλινικό πληθυσμό. Ψυχιατρική Παιδιού & Εφήβου. 2021;9(2):18-27.
Giannakopoulos G, Solantaus T, Tzavara C, Kolaitis G. Mental health promotion and prevention interventions in families with parental depression: A randomized controlled trial. J Affect Dis. 2021;278:114 - 121.
Giannakopoulos G, Mylona S, Zisimopoulou A, Belivanaki M, Charitaki S, Kolaitis G. Perceptions, emotional reactions and needs of adolescent psychiatric inpatients during the COVID-19 pandemic: a qualitative analysis of in-depth interviews. BMC Psychiatry. 2021;21(1):379.
Giannakopoulos G, Kolaitis G. Sleep problems in children and adolescents following traumatic life events. World J Psychiatry. 2021;11(2):27-34.
Giannakopoulos G, Margoni D, Chouliaras G, Panayiotou J, Zellos A, Papadopoulou A, Liakopoulou M, Chrousos G, Kanaka-Gantenbein C, Kolaitis G, et al. Child and Parent Mental Health Problems in Pediatric Celiac Disease: A Prospective Study. J Pediatr Gastroenterol Nutr. 2020.
Paradeisioti A, Papacosta ES, Giannakopoulos G, Kolaitis G. Bullying, peer victimization, and emotional problems in Cypriot adolescents referred to mental health services—a comparison of normative and clinical data. J Sch Viol. 2019;18(1):134 - 145.
Ntre V, Papanikolaou K, Triantafyllou K, Giannakopoulos G, Kokkosi M, Kolaitis G. Psychosocial and financial needs, burdens and support, and major concerns among Greek families with children with Autism Spectrum Disorder (ASD). Int J Caring Sci. 2018;11(2):985-995.
Giannakopoulos G. Concurrent Validity of the Computer-assisted Structured Diagnostic Interview (CASDI) for Children and Adolescents Aged 8-18 Years Old. Open Psychol J. 2017;10:1 - 10.
Anagnostopoulos DC, Giannakopoulos G, Christodoulou NG. The synergy of the refugee crisis and the financial crisis in Greece: Impact on mental health. Int J Soc Psychiatry. 2017;63(4):352 - 358.
Thomaidis L, Choleva A, Janikian M, Bertou G, Tsitsika A, Giannakopoulos G, Anagnostopoulos DC. Attention Deficit/Hyperactivity Disorder (ADHD) symptoms and cognitive skills of preschool children. Psychiatriki. 2017;28:28—36.
Anagnostopoulos DC, Giannakopoulos G, Christodoulou NG. A Compounding Mental Health Crisis: Reflections From the Greek Experience With Syrian Refugees. Am J Psychiatry. 2016;173(11):1081 - 1082.
Giannakopoulos G, Margoni D, Liakopoulou M, Panayotou I, Kanaka-Gantenbein C, Papadopoulou A, Chrousos G, Roma E, Chouliaras G. Emotional/behavioral problems and frustration caused by gluten free diet compliance in treated patients with coeliac disease. J Pediatr Gastroenterol Nutr. 2016;62(Suppl 1):184.
Margoni D, Giannakopoulos G, Chouliaras G, Liakopoulou M, Panayotou I, Kanaka-Gantenbein C, Chrousos G, Papadopoulou A, Roma E. Internalizing symptoms and parental mental health problems in untreated children with celiac disease. J Pediatr Gastroenterol Nutr. 2016;62(Suppl 1):183.
Vlassopoulos M, Tsipra I, Sakellariou A, Lagakou E, Christodoulou A, Giannakopoulos G, Anagnostopoulos DC, Lazaratou H. Interventions during preschool & early school years for the prevention of learning disorders. Int J Public Health Health Syst. 2016;1(1):5-9.
Γιαννακόπουλος Γ, Αναγνωστόπουλος ΔΚ, Λαζαράτου Ε. Ψυχική επιβάρυνση των παιδιών των μεταναστών. Σύναψις - Τριμηνιαία Επιθεώρηση Ψυχιατρικής, Νευροεπιστημών και Επιστημών του Ανθρώπου. 2016;12(40):18-19.
Rajani NB, Giannakopoulos G, Filippidis FT. Job insecurity, financial difficulties and mental health in Europe. Occup Med (Lond). 2016;66(8):681 - 683.
Giannakopoulos G, Anagnostopoulos DC. Child health, the refugees crisis, and economic recession in Greece. Lancet. 2016;387(10025):1271.
Anagnostopoulos DC, Triantafyllou K, Xylouris G, Bakatsellos J, Giannakopoulos G. Migration mental health issues in Europe: the case of Greece. Eur Child Adolesc Psychiatry. 2016;25(1):119 - 122.
Giannakopoulos G, Anagnostopoulos DC. Psychiatric reform in Greece: an overview. BJPsych Bulletin. 2016;40(6):326-328.
Anagnostopoulos DC, Korlou S, Sakellariou K, Kondyli V, Sarafidou J, Tsakanikos E, Giannakopoulos G, Liakopoulou M. Comorbid psychopathology and clinical symptomatology in children and adolescents with obsessive-compulsive disorder. Psychiatriki. 2016;27:27—36.
Giannakopoulos G, Chouliaras G, Margoni D, Korlou S, Hantzara V, Panayotou I, Roma ES, Liakopoulou M, Anagnostopoulos D. Stressful life events and psychosocial correlates of pediatric inflammatory bowel disease activity. World J Psychiatry. 2016;6:322 - 328.
Kolaitis G, Triantafyllou K, Giannakopoulos G, Papanikolopoulou P, Lazaratou H, Tsiantis J. Psychosocial impact in earthquake exposed Greek pupils and their parents. Eur Child Adolesc Psychiatry. 2015;24(Suppl 1):211.
Giannakopoulos G, Petanidou D, Tzavara C, Dimitrakaki C, Kolaitis G, Tountas Y. Psychosomatic symptoms, smoking and binge drinking in adolescence: A nationwide study in Greece. Int Arch Med. 2015;8(137):1-5.
Laggari V, Giannakopoulos G, Triantafyllou K, Deligeoroglou E, Tsiantis J, Creatsas G, Christogiorgos S. Self-reported psychopathological symptoms in young females with Mayer-Rokitansky-Küster-Hauser syndrome and polycystic ovary syndrome: Findings from a cross-sectional study. J Psychol Clin Psychiatry. 2015;2(3):69.
Giannakopoulos G. Trends in mental health care among children and adolescents. New Engl J Med. 2015;373(11):1078-1079.
Giannakopoulos G. Maternal Antidepressant Use and Persistent Pulmonary Hypertension of the Newborn. JAMA. 2015;314(12):1293 - 1294.
Kolaitis G, Giannakopoulos G. Greek financial crisis and child mental health. Lancet. 2015;386(9991):335.
Christogiorgos S, Giannakopoulos G. Parental Presence and Countertransference Phenomena in Psychoanalytic Psychotherapy of Children and Adolescents. Psychoanal Soc Work. 2015;22(1):1 - 11.
Giannakopoulos G, Tzavara C, Kolaitis G. Preventing Psychosocial Problems and Promoting Health-Related Quality of Life in Children and Adolescents Struggling with Parental Depression. Open J Depress. 2015;4(2):6.
Giannakopoulos G, Triantafyllou K, Christogiorgos S. Self-destruction and countertransference reactions in adolescent psychotherapy: A psychoanalytic case report. J Psychol Clin Psychiatry. 2014;1(4):19.
Petanidou D, Giannakopoulos G, Tzavara C, Dimitrakaki C, Kolaitis G, Tountas Y. Adolescents’ multiple, recurrent subjective health complaints: investigating associations with emotional/behavioural difficulties in a cross-sectional, school-based study. Child Adolesc Psychiatry Ment Health. 2014;8(1):3.
Giannakopoulos G, Agapidaki E, Dimitrakaki C, Oikonomidou D, Petanidou D, Tsermidou L, Kolaitis G, Tountas Y, Papadopoulou K. Early childhood educators’ perceptions of preschoolers' mental health problems: a qualitative analysis. Ann Gen Psychiatry. 2014;13(1):1.
Kostakou K, Giannakopoulos G, Diareme S, Tzavara C, Doudounakis S, Christogiorgos S, Bakoula C, Kolaitis G. Psychosocial distress and functioning of Greek youth with cystic fibrosis: a cross-sectional study. Biopsychosoc Med. 2014;8(1):13.
Papadopoulou K, Tsermidou L, Dimitrakaki C, Agapidaki E, Oikonomidou D, Petanidou D, Tountas Y, Giannakopoulos G. A qualitative study of early childhood educators' beliefs and practices regarding children's socioemotional development. Early Child Dev Care. 2014;184(12):1843 - 1860.
Christogiorgos S, Giannakopoulos G. School Refusal and the Parent-Child Relationship: A Psychodynamic Perspective. J Infant Child Adolesc Psychother. 2014;13(3):182 - 192.
Kolaitis G, Giannakopoulos G, Tomaras V, Christogiorgos S, Pomini V, Layiou-Lignos E, Tzavara C, Rhode M, Miles G, Joffe I, et al. Self-Esteem and Social Adjustment in Depressed YouthsA Randomized Trial Comparing Psychodynamic Psychotherapy and Family Therapy. Psychother Psychosom. 2014;83(4): - 251249.
Ντρε Β, Παπανικολάου Α, Κοκκώση Μ, Κουρνιανός Ι, Πέππου Λ, Γιαννακόπουλος Γ, Κολαΐτης Γ. Επιβάρυνση και ανάγκες οικογενειών που έχουν παιδί με διαταραχή φάσματος αυτισμού. Ψυχιατρική Παιδιού & Εφήβου. 2013;1(1):78-85.
Karambetsos C, Kouskoukis C, Giannakopoulos G, Agapidaki E, Mihas C, Katsarou A, Miridakis C, Vatakis A, Kolaitis G. A comparison of mental health problems among children with alopecia areata or atopic dermatitis and their parents. J Adv Med Med Res. 2013;3(1):162-172.
Petanidou D, Giannakopoulos G, Tzavara C, Dimitrakaki C, Ravens-Sieberer U, Kolaitis G, Tountas Y. Complaints of psychosomatic health symptoms in adolescence: A Greek socio-demographic profile. Turk Arch Ped. 2013;48(Suppl 2):136.
Christogiorgos S, Tzikas D, Widdershoven-Zervaki MA, Dimitropoulou P, Athanassiadou E, Giannakopoulos G. Hypochondriacal anxieties in adolescence. Open Psychol J. 2013;6(1):6-9.
Ntre V, Papanikolaou K, Ginieri-Coccosi M, Kournianos J, Giannakopoulos G, Mikeli A, Papadimitriou G, Kolaitis G. The impact of having a child with autism spectrum disorder on the family: Preliminary findings from a Greek study. J Ment Health Policy Econ. 2013;16(Suppl 1):38.
Giannakopoulos G, Tzavara C, Kolaitis G. Mental health promotion interventions in families with depressed parents: What makes the difference?. Eur Child Adolesc Psychiatry. 2013;22(Suppl 2):279.
Giannakopoulos G, Tzavara C, Kolaitis G. Mental health promotion interventions in families with depressed parents: What makes the difference?. Eur Child Adolesc Psychiatry. 2013;22(Suppl 2):279.
Ntre V, Papanikolaou K, Coccosi M, Kournianos J, Peppou L, Giannakopoulos G, Kolaitis G. Needs and impact among families with children with autism spectrum disorder. Eur Child Adolesc Psychiatry. 2013;22(Suppl 2):304.
Petanidou D, Giannakopoulos G, Mihas C, Ravens-Sieberer U, Kolaitis G, Tountas Y. Parental and familial determinants of adolescents’ subjective health complaints: Evidence from a Greek cross-sectional study. Turk Arch Ped. 2013;48(Suppl 2):136.
Manti P, Giannakopoulos G, Giouroukou E, Georgaki-Angelaki H, Stefanidis CJ, Mitsioni A, Stergiou N, Mihas C, Chrousos GP, Magiakou MA, et al. Psychosocial and cognitive function in children with nephrotic syndrome: association with disease and treatment variables. Biopsychosoc Med. 2013;7(1):10.
Agapidaki E, Souliotis K, Christogiorgos S, lannis Zervas, Leonardou A, Kolaitis G, Giannakopoulos G, Dimitrakaki C, Tountas Y. A theory-based educational intervention to pediatricians in order to improve identification and referral of maternal depression: a quasi-experimental study. Ann Gen Psychiatry. 2013;12(1):37.
Marini E, Giannakopoulos G, Charitaki S, Belivanaki M, Salavou V, Liakopoulou M, Kolaitis G. Mental health of adolescents with type I diabetes: A case report. Health. 2013;5(8):4.
Giannakopoulos G, Dimitrakaki C, Papadopoulou K, Tzavara C, Kolaitis G, Ravens-Sieberer U, Tountas Y. Reliability and validity of the Strengths and Difficulties Questionnaire in Greek adolescents and their parents. Health. 2013;5(11):10.
Γιαννακόπουλος Γ. Πρόγραμμα προαγωγής υγείας οικογενειών γονέων με ψυχική διαταραχή. Νέα Υγεία. 2012;76:6.
Argyriou E, Petroggona M, Charitaki S, Belivanaki M, Giannakopoulos G, Kolaitis G. Aripiprazole in children and adolescents with schizophrenia. Curr Psychopharmacol. 2012;1(2):117-121.
Giannakopoulos G, Assimopoulos H, Petanidou D, Tzavara C, Kolaitis G, Tsiantis J. Effectiveness of a school-based intervention for enhancing adolescents' positive attitudes towards people with mental illness. Ment Illn. 2012;4(2):79 - 83.
Petanidou D, Giannakopoulos G, Tzavara C, Dimitrakaki C, Ravens-Sieberer U, Kolaitis G, Tountas Y. Identifying the sociodemographic determinants of subjective health complaints in a cross-sectional study of Greek adolescents. Ann Gen Psychiatry. 2012;11(1):17.
Athanassiadou E, Giannakopoulos G, Kolaitis G, Tsiantis J, Christogiorgos S. Preparing the Child Facing Surgery: The Use of Play Therapy. Psychoanal Soc Work. 2012;19(1-2):91 - 100.
Κολαΐτης Γ, Γιαννακόπουλος Γ. Τροχαία ατυχήματα και μετατραυματικό στρες παιδιών και εφήβων. Παιδιατρική. 2011;74(2):63-68.
Gkourogianni A, Kosteria I, Konsta M, Giannakopoulos G, Loutradis D, Mastorakos G, Papassotiriou I, Kolaitis G, Kanaka-Gantenbein C, Chrousos GP. Comparison of the emotional-behavioral problems between children born after intracytoplasmic sperm injection and naturally conceived controls. Acta Paediatr. 2011;100(Suppl 463):44.
Giannakopoulos G, Ntre V, Moulla V, Tzavara C, Tomaras V, Kolaitis G. Posttraumatic stress, depression and anxiety in children and adolescents following a massive fire disaster: Prevalence and related factors. Eur Child Adolesc Psychiatry. 2011;20(Suppl 1):74-75.
Charitaki S, Giannakopoulos G, Liakopoulou M, Pervanidou P, Chrousos G, Kolaitis G, Tsiantis J. Predicting posttraumatic stress disorder in child and adolescent victims of road traffic accidents. Eur Child Adolesc Psychiatry. 2011;20(Suppl 1):74.
Liakopoulou M, Giannakopoulos G, Korlou S, Chouliaras G, Hantzara V, Margoni D, Panagiotou I, Roma E. Psychosocial factors associated with the active state of pediatric inflammatory bowel disease. J Pediatr Gastroenterol Nutr. 2011;52(Suppl 1):149.
Kolaitis G, Giannakopoulos G, Mihas C, Ntre V, Moulla V, Sotiropoulou E, Paflia K, Argyrou K, Kotsirilou K, Leventakou V, et al. Symptoms of Posttraumatic Stress, Depression and Anxiety Among Youths Exposed to a Massive Fire Disaster in Greece. J Adv Med Medic Res. 2011;1(4):320–332.
Giannakopoulos G, Charitaki S, Kotzia T, Kolaitis G. Aripiprazole in adolescents with intellectual disabilities and schizophrenia: A case report. Eur Psychiatry. 2011;26(S2):271-271.
Kolaitis G, Giannakopoulos G, Liakopoulou M, Pervanidou P, Charitaki S, Mihas C, Ferentinos S, Papassotiriou I, Chrousos GP, Tsiantis J. Predicting pediatric posttraumatic stress disorder after road traffic accidents: The role of parental psychopathology. J Trauma Stress. 2011;24(4):414 - 421.
Giannakopoulos G, Tzavara C, Dimitrakaki C, Ravens-Sieberer U, Tountas Y. Adolescent health care use: Investigating related determinants in Greece. J Adolesc. 2010;33(3):477 - 485.
Giannakopoulos G, Tzavara C, Dimitrakaki C, Kolaitis G, Rotsika V, Tountas Y. Emotional, behavioural problems and cigarette smoking in adolescence: findings of a Greek cross-sectional study. BMC Public Health. 2010;10(1):57.
Mihas C, Giannakopoulos G, Manios Y, Naska A, Mariolis A, Arapaki A, T M-S, Y T. Evaluating a lifestyle behavior associated with smoking during adolescence: The Vyronas study. Swiss Med Wkly. 2009;139(Suppl 33-34):95.
Giannakopoulos G, Tzavara C, Dimitrakaki C, Tountas Y. The factor structure of the Greek Strengths and Difficulties Questionnaire: Using confirmatory analytic techniques. Psychiatriki. 2009;20(Suppl I):99.
Giannakopoulos G, Panagiotakos D, Mihas C, Tountas Y. Adolescent smoking and health-related behaviours: interrelations in a Greek school-based sample. Child Care Health Dev. 2009;35(2):164 - 170.
Giannakopoulos G, Dimitrakaki C, Pedeli X, Kolaitis G, Rotsika V, Ravens-Sieberer U, Tountas Y. Adolescents' wellbeing and functioning: relationships with parents' subjective general physical and mental health. Health Qual Life Outcomes. 2009;7(1):100.
Giannakopoulos G, Tzavara C, Dimitrakaki C, Kolaitis G, Rotsika V, Tountas Y. The factor structure of the Strengths and Difficulties Questionnaire (SDQ) in Greek adolescents. Ann Gen Psychiatry. 2009;8(1):20.
Giannakopoulos G, Mihas C, Dimitrakaki C, Tountas Y. Family correlates of adolescents’ emotional/behavioural problems: evidence from a Greek school-based sample. Acta Paediatr. 2009;98(8):1319 - 1323.
Giannakopoulos G, Kazantzi M, Dimitrakaki C, Tsiantis J, Kolaitis G, Tountas Y. Screening for children’s depression symptoms in Greece: the use of the Children’s Depression Inventory in a nation-wide school-based sample. Eur Child Adolesc Psychiatry. 2009;18(8):485 - 492.
Δημητρακάκη Χ, Γιαννακόπουλος Γ. Γνώσεις και στάσεις για τον καρκίνο στην Ελλάδα. Νέα Υγεία. 2008;62:8.
Γιαννακόπουλος Γ, Πετανίδου Δ, Τσολάκη Ε. Έφηβοι και ψυχιατρικό στίγμα: Σχολικό πρόγραμμα παρέμβασης της ΕΨΥΠΕ. Νέα Υγεία. 2008;60:4.