1. Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine
2. Cardiovascular Respiratory Sleep Medicine, Juntendo University Graduate School of Medicine
3. Department of Cardiovascular Medicine, and Endocrinology and Metabolism, Faculty of Medicine, Tottori University
4. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital
5. Department of Cardiology, Himeji Cardiovascular Center
6. Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University