1. Department of Internal Medicine/Hematology, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan,
2. Department of Pediatrics, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan,
3. Department of Psychiatry, Jozan Hospital, Kumamoto, Japan,
4. Department of Pathology, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan,
5. Trauma and Critical Care Center, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan,
6. Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan,
7. Division of Gastroenterology and Hematology, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan,
8. Department of Pathology, Kurume University, Fukuoka, Japan