1. Department of Metabolism and Endocrinology, Kumamoto Shinto General Hospital (formerly NTT West Kyushu Hospital), Japan
2. Department of Metabolic Medicine, Faculty of Life Sciences, Kumamoto University, Japan
3. Department of Hematology, Kumamoto Shinto General Hospital (formerly NTT West Kyushu Hospital), Japan
4. Center for Medical Education and Research, Faculty of Life Sciences, Kumamoto University, Japan
5. Department of Hematology and Infectious Diseases, Kumamoto University Hospital, Japan