1. Jichi Medical University School of Medicine Shimotsuke Japan
2. Minamisanriku Hospital Motoyoshigun Japan
3. Kotake Municipal Hospital Kurate Japan
4. Yamagiwa Clinic Kasugai Japan
5. Kawashima Cardiology Clinic Yaita Japan
6. Onga Nakama Medical Association Onga Hospital Onga Japan
7. Okinawa Chubu Hospital Uruma Japan
8. Matsui Medical Clinic Iwakuni Japan
9. Fujitsu Clinic Kawasaki Japan
10. Abe Internal Medicine Clinic Kobe Japan
11. Fujita Neurosurgical Clinic Mitoyo Japan
12. Critical Care Research Group The Prince Charles Hospital Brisbane Qld Australia
13. Karatsu City Madarashima Clinic Karatsu Japan
14. Omotesando‐naika‐ganka Clinic Minatoku, Tokyo Japan
15. Kubota Clinic Toshimaku, Tokyo Japan
16. National Hospital Organization Minami Wakayama Medical Center Tanabe Japan