1. The Third Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine
2. Division of Nutrition, Shinshu University School of Medicine
3. The Second Department of Medicine (Gastroenterology), Shinshu University School of Medicine
4. Department of Molecular Metabolism and Biochemical Genetics, Kagoshima University Graduate School of Medical and Dental Sciences
5. Institute for Health Sciences, Tokushima Bunri University
6. Department of Internal Medicine, Suwa Red Cross Hospital