1. Division of Neurology, Respirology, Endocrinology and Metabolism, Faculty of Medicine, Department of Internal Medicine, University of Miyazaki, Miyazaki, Japan
2. Faculty of Medicine, Department of Nutrition Management, University of Miyazaki Hospital, Miyazaki, Japan
3. Department of Internal Medicine, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
4. Department of Internal Medicine, Koga General Hospital, Miyazak, Japan