1. Department of Sport and Leisure Studies, Yonsei University College of Sciences in Education, Seoul, Korea.
2. University College, Yonsei International Campus, Incheon, Korea.
3. Department of Exercise and Sports Science, Jeju National University College of Natural Sciences, Jeju, Korea.
4. Department of Family Medicine, Gangseo MizMedi Hospital, Seoul, Korea.
5. Department of Family Medicine, Myongji Hospital, Kwandong University College of Medicine, Goyang, Korea.
6. Department of Clinical Nursing Science, Yonsei University College of Nursing, Seoul, Korea.