1. Major of Marine-Sports, Division of Smart Healthcare, Pukyong National University, Korea
2. Department of Physical Theray, College of Nursing Healthy care Sciences and Human Ecology, Dong-Eui University, Korea
3. Henan Institute of Science and Technology, Xinxiang, Henan, China
4. Department of Physical Therapy, Pusan National University Yangsan Hospital, Yangsan, Gyeongsangnam-do, Korea