1. Division of Gastroenterology and Nephrology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
2. Division of Infectious Diseases, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
3. Division of Medicine and Clinical Science, Department of Cardiovascular Medicine and Endocrinology and Metabolism, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan