1. Department of Medical Service Tokyo Organizing Committee of the Olympic and Paralympic Games Tokyo Japan
2. Department of Cardiology Tokyo Metropolitan Bokutoh Hospital Tokyo Japan
3. Clinical Center for Sports Medicine and Sports Dentistry Tokyo Medical and Dental University Tokyo Japan
4. Department of Critical Care and Emergency Medicine Tokyo Metropolitan Tama Medical Center Tokyo Japan
5. Nursing Department Tokyo Metropolitan Tama Medical Center Tokyo Japan
6. Nursing Department Tokyo Metropolitan Matsuzawa Hospital Tokyo Japan
7. Emergency and Critical Care Center Tokyo Metropolitan Hiroo Hospital Tokyo Japan
8. Faculty of Sport Sciences Waseda University Saitama Japan