“…Six studies were from USA (8,10,12,18,19,21), three from China (7,14,20), two from Spain (13,16), two from Japan (9,25) and one study from Netherlands (17), India (23), Taiwan (22) and Greece (11). Eleven studies evaluated the combination of HBIG with hgbNA(s) (7,9,10,(12)(13)(14)16,18,19,22,25), while eight studies (8,11,(17)(18)(19)(20)(21)23) evaluated patients under hgbNA(s) after HBIG discontinuation or without any HBIG (Figure 1). There was only one randomized controlled trial (10), while seven were prospective cohort (7,11,12,17,18,21,23) and nine retrospective cohort studies (8,9,13,14,16,19,…”