1. Department of Sports and Health Sciences, Faculty of Education, Shinshu University, 6-Ro Nishi Nagano, Nagano City, Nagano 380-8544, Japan
2. Japanese Consortium for Global School Health and Research, Japan
3. Office of International Cooperation Faculty of Science, Mahidol University, 272 Rama 6 Road, Bangkok 10400, Thailand
4. Department of Health and Social Behavior/Health Education and Health Sociology, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
5. Department of Health Science, Nagano College of Nursing, 1694 Akaho, Komagane, Nagano 399-4117, Japan
6. School Health Promotion Unit, Faculty of Tropical Medicine, Mahidol University, 420/6 Ratchawithi Road, Bangkok 10400, Thailand
7. Department of School Health Nursing, Faculty of Education, Chiba University, 1-33 Yayoi, Inage-ku, Chiba 263-8522, Japan
8. Department of Global Health, School of Health Sciences, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa 903-0215, Japan
9. Department of Community and Global Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.