“…Among the 23 included studies, six studies were conducted in Iran (Abedi, Nikkhah, & Najar, ; Asghari, Mirghafourvand, Mohammad‐Alizadeh‐Charandabi, Malakouti, & Nedjat, ; Bakhtiari et al, ; Darsareh, Taavoni, Joolaee, & Haghani, ; Kazemzadeh, Nikjou, Rostamnegad, & Norouzi, ; Taavoni, Darsareh, Joolaee, & Haghani, ), five studies were conducted in India (Chattha, Nagarathna, Padmalatha, & Nagendra, ; Jayabharathi & Judie, ; Joshi, Khandwe, Bapat, & Deshmukh, ; Sujithra, ; Vora & Dangi, ), three in Turkey (Angin, Erden, & Can, ; Basat, Esmaeilzadeh, & Eskiyurt, ; Teoman et al, ), three in China (Gao, Zhang, Qi, & Petridis, ; Hu et al, ; Zhang et al, ), three in Japan (Iioka & Komatsu, ; Kai, Nagamatsu, Kitabatake, & Sensui, ; Ueda, ), one in South Korea (Hur, Yang, & Lee, ), one in Thailand (Ngowsiri, Tanmahasamut, & Sukonthasab, ), and one in Taiwan (Yeh & Chang, ).…”