1. Department of General Internal Medicine 3, Kawasaki Medical School General Center, 2-6-1 Nakasange, Kita-ku, Okayama, Japan
2. Department of Family, Community, and General Medicine, Kumamoto University Hospital, 1-1-1 Honjo, Chuo-ku, Kumamoto, Japan
3. Hiramitsu Heart Clinic, 2-35 Shiroshita-cho, Minami-ku, Nagoya, Japan
4. Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Science, 86 Nishi-machi, Yonago, Japan
5. Shizuoka City Shizuoka Hospital, 10-93 Ote-machi, Aoi-ku, Shizuoka, Japan
6. Uchiyama Clinic, 1161-1 Shita-machi, Yoshikawa-ku, Joetsu, Japan
7. Yokota Naika, 642-1 Komuta, Hanagashima-cho, Miyazaki, Japan
8. Tokutake Iin, 2-28-1 Asahi, Kawaguchi, Japan
9. Wakasa Medical Clinic, 3-16-25 Sainen, Kanazawa, Japan
10. Jinnouchi Hospital Diabetes Care Center, 6-2-3 Kuhonji, Chuo-ku, Kumamoto, Japan
11. Kakuda Iin, Na 15-1, Takamatsu, Kahoku, Japan
12. Hayashi Medical Clinic, 5-22 Nakamozu-cho, Kita-ku, Sakai, Japan
13. Kawai Naika Clinic, 4-9 Tono-machi, Gifu, Japan
14. Yokohama Sotetsu Bldg Clinic of Internal Medicine, 1-11-5 Kitasaiwai, Nishi-ku, Yokohama, Japan
15. Sugawara Clinic, 3-9-16 Shakujii-machi, Nerima-ku, Japan
16. Department of Cardiovascular Medicine, Nephrology and Neurology, University of the Ryukyus School of Medicine, 207 Uehara, Nishihara-cho, Okinawa, Japan
17. Division of Cardiology, Yokohama City University Medical Center, 4-57 Urafune-cho, Minami-ku, Yokohama, Japan
18. Department of Cardiovascular Medicine, Nara Medical University, 840 Shijyo-cho, Kashihara, Japan
19. National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Japan