1. Department of Physiology, Seoul National University College of Medicine, Seoul 03080, Korea
2. Department of Sport and Exercise Science, Seoul Women's University, Seoul 01797, Korea
3. Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea
4. Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea
5. Health and Exercise Science Laboratory, Institute of Sport Science, Seoul 08826, Korea
6. Department of Physical Education, Seoul National University, Seoul 08826, Korea
7. Institute on Aging, Seoul National University, Seoul 08826, Korea