1. Morinaga & Co., Ltd; 2-1-1 Shimosueyoshi, Tsurumi-ku Yokohama Kanagawa 230-8504 Japan
2. Osaka Prefectural Institute of Public Health; 1-3-69 Nakamichi Higashinari-ku Osaka 537-0025 Japan
3. Department of Emergency and Critical Care Medicine, Saitama Medical Center; Saitama Medical University; 1981 Kamoda Kawagoe Saitama 350-8550 Japan