1. Department of Internal Medicine, School of Medicine, Niigata University
2. Department of Internal Medicine, Nippon Dental University, Niigata
3. Department of Internal Medicine, Kyoto Prefectural University of Medicine
4. Department of Internal Medicine, Yamanashi Medical University, School of Medicine
5. Department of Internal Medicine, The Jikei University, School of Medicine
6. Department of Internal Medicine, Toyama Medical and Pharmaceutical University Medical School
7. Department of Internal Medicine, Tottori University, School of Medicine
8. Department of Internal Medicine, Iwate Medical University, School of Medicine
9. Department of Internal Medicine, Iwaki Kyoritsu General Hospital
10. Department of Internal Medicine, Oji National Hospital
11. Mutual Aid Association Mishuku Hospital
12. Department of Internal Medicine, Mie University, School of Medicine
13. Department of Internal Medicine, Osaka City University Medical School
14. Department of Internal Medicine, Okayama University Medical School
15. Health Research Center, Okayama University
16. Department of Internal Medicine, Ehime University, School of Medicine
17. Department of Pharmaceutical Engineering, Faculty of Pharmaceutical Sciences, Kyoto University