1. Department of Rehabilitation Medicine, Graduate School The Catholic University of Korea Seoul Republic of Korea
2. Department of Rehabilitation Medicine, Yeouido St. Mary's Hospital, College of Medicine The Catholic University of Korea Seoul Republic of Korea
3. Department of Rehabilitation Medicine, Bucheon St. Mary's Hospital, College of Medicine The Catholic University of Korea Bucheon Republic of Korea
4. Department of Family Medicine, St. Vincent's Hospital, College of Medicine The Catholic University of Korea SuwonRepublic of Korea