1. Division of Biomedical Informatics, Course of Health Sciences, Osaka University Graduate School of Medicine, Suita, Osaka, Japan. 2Kuma Hospital, Kobe, Hyogo, Japan. 3Central Health Management Bureau, Nippon Telegraph and Telephone Corporation, Osaka, Japan
2. Kuma Hospital, Kobe, Hyogo, Japan
3. Central Health Management Bureau, Nippon Telegraph and Telephone Corporation, Osaka, Japan