1. Department of Dermatology, Kochi Medical School Kochi University Nankoku Japan
2. Department of Dermatology, Integrated Medicine, Graduate School of Medicine Osaka University Suita Japan
3. Department of Hematology, Kochi Medical School Kochi University Nankoku Japan
4. Clinical Genetics Department Kochi Medical School Hospital Nankoku Japan
5. Department of Cardiology and Geriatrics, Kochi Medical School Kochi University Nankoku Japan
6. Department of Hematology and Oncology, Faculty of Medicine, Dentistry and Pharmaceutical Sciences Okayama University Okayama Japan
7. Division of Blood Transfusion Okayama University Hospital Okayama Japan