Post-COVID-19 syndrome and related dysautonomia reduce quality of life, and increase anxiety and depressive symptoms: evidence from Greece - Galanis, Petros A; Katsiroumpa, Aglaia; Vraka, Irene; Kosiara, Katerina; Konstantakopoulou, Olympia; Katsoulas, Theodoros; Gallos, Parisis; Kaitelidou, Daphne (medRxiv, 2023)