“…Also, reported outcomes which might be different from the true outcome as potential follow-up losses cannot be identified. Studies with unclear financial support ( 62 , 63 , 83 , 87 , 96 , 97 ), support of financial nature, consultant activity, company collaboration or speaker engagement ( 31 – 33 , 36 – 38 , 40 , 44 , 46 , 47 , 56 , 60 , 65 , 69 , 71 , 72 , 76 , 98 ) (e.g., financial funding) or other potential conflicts of interests ( 39 , 50 , 51 , 54 , 57 , 59 , 67 , 73 , 80 , 92 ) led to an unclear risk of bias.…”