“…Twenty-six studies including 65 patients with biopsy-proven HCC were selected for our main analysis: one prospective cohort, 12 six retrospective cohorts 5,6,9,[22][23][24] , five retrospective case series, 7,25-28 and 14 case reports. 10,18,[29][30][31][32][33][34][35][36][37][38][39][40] Eleven reports were from North America, seven from Asia, six from Europe, one from Australia, one from Turkey, and one from both North America and Europe (see Table S1). Four were multicenter studies.…”