“…The majority of the included studies were retrospective, apart from one 6 which was prospective. All studies were published between 2001 and 2021, whereas 17/23 2,3,7,8,[10][11][12][13]15,16,18,23,28,[38][39][40][41] were published during the last 5 years. Among the studies fulfilling the inclusion criteria, 5 3,12,18,23,31 were conducted in Europe, 15 in Asia 2,4,5,7,8,10,11,13,15,16,28,38-41 , 2 in North America 9,26 , and 1 in Africa 6 .…”