1. Jichi Medical University School of Medicine Tochigi Japan
2. Minamisanriku Hospital Miyagi Japan
3. Kanauchi Medical Clinic Tokyo Japan
4. Tokyo‐Eki Center‐building Clinic Tokyo Japan
5. Tomita Medical Clinic Hokkaido Japan
6. Iwase General Hospital Fukushima Japan
7. Abe Internal Medicine Clinic Hyogo Japan
8. Kuga Clinic Saitama Japan
9. Fujii Masao Memorial Hospital Tottori Japan
10. Juntendo University Hospital Tokyo Japan
11. Sakura Heart Clinic Tokyo Japan
12. Dokkyo Medical University Nikko Medical Center Tochigi Japan
13. Kuramochi Clinic Interpark Tochigi Japan
14. Kurume University School of Medicine Fukuoka Japan
15. Tottori University Graduate School of Medical Science Tottori Japan