1 Division of Physical Activity and Health, Department of Health, Ministry of Public Health, Nonthaburi 11000, Thailand. Electronic address: [email protected].
2 International Health Policy Program, Ministry of Public Health, Nonthaburi, Thailand.
3 International Health Policy Program, Ministry of Public Health, Nonthaburi, Thailand; Institute for Population and Social Research, Mahidol University, Nakornpathom, Thailand.