HERACLIS-HDV cohort for the factors of underdiagnosis and prevalence of hepatitis D virus infection in HBsAg-positive patients - Papatheodoridis, George; Mimidis, Konstantinos; Manolakopoulos, Spilios; Triantos, Christos; Vlachogiannakos, Ioannis; Veretanos, Christos; Deutsch, Melanie; Karatapanis, Stylianos; Ioannis Goulis; Elefsiniotis, Ioannis; others (Liver International, 2023)