1. Department of Convergence Medical Institute of Technology, Pusan National University Hospital, Busan, Korea.
2. Department of Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
3. Department of Physical Therapy, College of Health Sciences, Catholic University of Pusan, Busan, Korea.
4. Department of Family Medicine, Pusan National University Hospital, Busan, Korea.
5. Department of Family Medicine, Pusan National University School of Medicine, Busan, Korea.
6. Department of Biostatistics, Clinical Trial Center, Pusan National University Hospital, Busan, Korea.
7. Department of Rehabilitation Medicine, Pusan National University Hospital, Busan, Korea.
8. Department of Rehabilitation Medicine, Pusan National University School of Medicine, Busan, Korea.