1. Department of Rehabilitation Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.
2. Department of Health & Fitness Management, Namseoul University, Cheonan, Korea.
3. Department of Radiology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.
4. Department of Family Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.
5. Department of Rehabilitation Medicine, Gachon University Gil Medical Center, Incheon, Korea.