1. Department of Medical Examination, Uji-Tokushukai Medical Center, Japan
2. Department of Internal Medicine, Uji-Tokushukai Medical Center, Japan
3. Department of Hematology, Japanese Red Cross Kyoto Daiichi Hospital, Japan
4. Department of Gastroenterology, Uji-Tokushukai Medical Center, Japan
5. Department of Hematology, Uji-Tokushukai Medical Center, Japan
6. Department of General Medicine, JCHO Shiga Hospital, Japan