“…MK & KM extracted data from the retrieved studies and discussed disagreements with the third coauthor (AN) as indicated. We used the structured sheets in Microsoft Excel® to extract the data including ( 1 ) authors, ( 2 ) publication year, ( 3 ) publication type, ( 4 ) site/s of study, ( 5 ) study implementation year, ( 6 ) type of study, ( 7 ) sampling method, ( 8 ) study population and sample size, ( 9 ) data gathering method, ( 10 ) language (Farsi, English), ( 11 ) Study scale (city, province, sub-national, national), ( 12 ) number of recruitment sites, ( 13 ) gender distribution, ( 14 ) age characteristics, ( 15 ) key socioeconomic indicators, ( 16 ) type of university, ( 17 ) major of university student, ( 18 ) prevalence of smoking.…”