Authors’ contributions
All authors conceptualized the work, commented on the work and approved
it for submission. MA, IB, AB, BB, MG, EG, SJ, HJ, DL, AMM, AP, ES, DW
searched for studies, extracted data and performed risk of biased
analysis. BM and CaR did dual review, cleaning and formatting data
extracted and risk of biased assessment. CaR, AS, IS and GdT solved
conflicts relating to studies inclusion, data summaries and risk of
biased assessment. DC and RP provided methodological guidance. CrR
performed the data analysis. CaR and AS and drafted the review.