“…20,31,46,48,49 The rest were in Africa, 21,40,42,43 East Asia, 32,35,54 South America, 27,44 North America, 25 and one study was mulf-confnent. 51 Most studies were cross-secfonal in design, [19][20][21][22][23]25,27,29,30,32,34,36,37,[39][40][41][42][43][44][45]47,[49][50][51]53,54 two were longitudinal, 35,46 three were intervenfons, 24,31,48 and five were qualitafve. 26,28,33,38,…”