“…The studies were published from 1975 to 2019. Nineteen (37%) were cohort studies, 41,[44][45][46]48,49,52,[56][57][58][59]67,71,74,[82][83][84]86,89 16 (31%) were cross-sectional, 22,35,39,51,60,62,[64][65][66]69,70,73,76,77,90,91 eight (16%) were randomized control trials, 50,[53][54][55]61,72,85,88 seven (14%) were case-control studies 43,47,68,75,78,80,87 and one (2%) was a crossover study. 63 The studies were con...…”