“…A total of 5034 caregivers from 23 countries were included in the analysis. Six studies were conducted in Nigeria [ 18 , 40 , 41 , 42 , 43 , 44 ], five studies in Brazil [ 45 , 46 , 47 , 48 , 49 ], three studies each in Nepal [ 50 , 51 , 52 ] and Turkey [ 53 , 54 , 55 ], two studies each in Hong Kong [ 56 , 57 ], the USA [ 58 , 59 ], and Taiwan [ 60 , 61 ], and one study each in Africa [ 62 ], China [ 63 ], Chile [ 64 ], Egypt [ 65 ], Greece [ 66 ], India [ 67 ], Ireland [ 68 ], Italy [ 69 ], Japan [ 70 ], Jordan [ 71 ], Kuwait [ 72 ], Poland [ 73 ], Portugal [ 74 ], Singapore [ 75 ], Spain [ 76 ], and the Netherlands [ 77 ]. In terms of study setting, 11 studies were conducted in the community, 18 studies in the hospital, and nine studies in the clinic (refer to Table S2 ).…”