1. Department of Environmental Epidemiology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Iseigaoka 1-1, Yahatanishiku, Kitakyushu, Japan.
2. WHO Western Pacific Regional Office, Suva, Fiji.
3. Department of Medical Humanities and Social Medicine, Kosin University College of Medicine, Busan, Republic of Korea.
4. University of Jyväskylä, Jyväskylä, Finland.