aAs defined by the 2006 census (per capita income less than twice the value of a standardized basic basket of food) [57].bRepresents total sample per trial arm at baseline. There were small amounts of
— = no data provided; NA = not available ; RCT = randomized-controlled trials; LOE = level of evidence; BSS: balanced saline solution.aThe part included in the partly retrospective study is retrospect
