“…From the 114 studies, full-text was unavailable for one study 13 , 2 studies were duplicates published under different titles 14,15 , one study only described the study design 16 and 6 studies did not report safety, tolerability and/or toxicity results 7,[17][18][19][20][21] . These together with 11 case reports [22][23][24][25][26][27][28][29][30][31][32] and 2 letters to the editor were excluded 33,34 . Ultimately, a total of 91 studies were included in the systemic safety review.…”