1. Second Department of Internal Medicine, Mie University School of Medicine
2. Department of Laboratory Medicine, Mie University School of Medicine
3. Mie Red Cross Center, Tsu-city
4. Third Department of Internal Medicine, Mie University School of Medicine
5. Department of Internal Medicine,Matsusaka Chuou Hospital, Matsusaka-city
6. Department of Internal Medicine, Tooyama Hospital, Tsu-city
7. Department of Internal Medicine, Suzuka Chuou Hospital, Suzuka-city, Mie-ken, Japan