Kishi Reiko, Sasaki Seiko, Yoshioka Eiji, Yuasa Motoyuki, Sata Fumihiro, Saijo Yasuaki, Kurahashi Norie, Tamaki Junko, Endo Toshiaki, Sengoku Kazuo, Nonomura Katsuya, Minakami Hisanori
Department of Public Health Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
Int J Epidemiol. 2011 Jun;40(3):611-8. doi: 10.1093/ije/dyq071. Epub 2010 May 26.