“…Seven studies have had a response rate of less than 60% for pharmacists, 12,15,16,18,19,23 while the remaining six have response rate more than 60%, 9,17,21,22,25 Only three researches used statistical analysis in questionnaire validation; 12,18,21 two studies used pilot study to validate the questionnaire in the studies; 17,19 majority of studies used experts reviews or kept silence on validity of questionnaire. 9,15,16,[22][23][24][25][26] In total 4,624 pharmacists participated in the reviewed articles.…”