1. Department of Physical Therapy, College of Natural Sciences, Kyungnam University, Republic of Korea
2. Department of Physical Therapy, National Rehabilitation Center, Republic of Korea
3. Department of Nurse, Dongseo University, Republic of Korea
4. Department of Rehabilitation Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine: 445 Gil-dong, Gangdong-gu, Seoul 134-701, Republic of Korea