“…All 19 studies were cross-sectional studies 5 – 10 , 13 – 25 . Most studies were published in international journals ( n =14) 5 – 9 , 13 , 15 , 17 , 18 , 20 – 24 while only five studies were published in national journals 10 , 14 , 16 , 19 , 25 13 studies were community-based 5 , 7 , 10 , 13 – 15 , 17 – 21 , 23 , 24 , while six studies were hospital-based 6 , 8 , 9 , 16 , 22 , 25 The summary of included studies is shown in Table 1 .…”