Changes in Body Mass Index after Initiation of Antiretroviral Treatment: Differences by Class of Core Drug - Pantazis, Nikos; Papastamopoulos, Vasilios; Antoniadou, Anastasia; Adamis, Georgios; Paparizos, Vasilios; Metallidis, Simeon; Sambatakou, Helen; Psichogiou, Mina; Chini, Maria; Chrysos, Georgios; others (Viruses, 2022)