Choi Kyungho, Paek Domyung, Wu Tangchun, Chan Chang-Chuan, Onchang Rattapon, Padungtod Chantana, Koizumi Akio
School of Public Health, Seoul National University, Seoul, Korea.
Environ Health Prev Med. 2012 Mar;17(2):170-2. doi: 10.1007/s12199-012-0269-7.