“…Of the included studies, 18 were conducted in North America [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] , 23 in Europe , ve in Australia and New Zealand [52][53][54][55][56] , and three studies combined several western countries [57][58][59] . There were three randomized controlled trials (RCTs) 27,28,50 , two quasiexperimental studies 26,51 , 15 prospective cohort studies 12,16,19,24,30,32,35,37,40,42,45,47,48,52,55 , and 29 cross-sectional studies 11, 13-15, 17, 18, 20-23, 25, 29, 31, 33, 34, 36, 38, 39, 41, 43, 44, 46, 49, 53, 54, 56-59 . Detailed descriptions of study design and results are available in Supplementary eTables 2-4.…”