“…Of the 44 papers included in the study, there were 7 randomised controlled trials [ 1 , 2 , 12 , 37 , 38 ], 2 cohort studies [ 3 ], 19 case series [ 4 – 10 , 13 , 20 – 22 , 24 , 25 ] and 17 case reports [ 11 , 14 – 16 , 27 – 29 , 31 – 33 , 35 , 39 , 40 ].…”