“…Out of the 35 included studies, there were 8 randomised controlled trials [16][17][18][19][20][21][22][23] and 27 non-randomised studies. 8, Using the ROBINS-I tool for non-randomised studies (n=27), 4 were considered to have a 'low' risk of bias, 26,32,48,49 15 'moderate' risk of bias, ,24,27,29,30,34,35,36,38,39,40,42-46 7 'serious' risk of bias 8,25,31,33,37,41,47 and 1 'critical' risk of bias 28 (Supplementary Figure 1). Using the RoB-2 tool for randomised controlled trials (n=8), 5 were considered to have a 'low' risk of bias [17][18][19]21,22 whereas 3 were deemed to have 'some concerns' 16,20,23 (Supplementary Figure 2).…”