1. Institute for Population and Social Research, Mahidol University, Phuttamonthon 4 Road, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand
2. Centre of Excellence in Applied Epidemiology, Thammasat University, Paholyothin Road, Klong Luang, Prathumthani 12120, Thailand
3. Centre for Global Mental Health, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, De Crespigny Park, Denmark Hill, London SE5 8AF, UK
4. Department of Psychiatry, Faculty of Medicine Siriraj Hospital, Mahidol University, Wanglang Road, Bangkoknoi, Bangkok 10700, Thailand
5. Department of Health Care Policy and Management, Graduate School of Comprehensive Human Sciences, Tsukuba University, Tenno-dai, Tsukuba, Ibaraki 305-8575, Japan