1. Department of Internal Medicine, Kuma Hospital, Kobe, Japan
2. Department of Pathological and Cytologic Diagnosis, Kuma Hospital, Kobe, Japan
3. Department of Surgery, Kuma Hospital, Kobe, Japan
4. Department of Metabolic Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
5. Department of Internal Medicine, Nishinomiya Municipal Central Hospital, Nishinomiya, Japan