1 Department of Cardiology, Keio University School of Medicine, Tokyo, Japan.
2 Institute for Integrated Sports Medicine, Keio University School of Medicine, Tokyo, Japan.
3 Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.
4 Harvard Medical School, Boston, USA.
5 Division of General Internal Medicine and Family Medicine, Department of General and Acute Medicine, Tokai University School of Medicine, Isehara, Japan.
6 Department of Cardiovascular Medicine, Kyorin University School of Medicine, Tokyo, Japan.
7 Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan.
8 Second Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.