1. Department of Occupational Therapy, Inje University, 197 Inje Rd, Gimhae-si, Gyeongsangnam-do 621-749, Republic of Korea
2. Department of Rehabilitation Science, Graduate School of Inje University, 197 Inje Rd, Gimhae-si, Gyeongsangnam-do 621-749, Republic of Korea
3. Ubiquitous Healthcare Research Center, Inje University, 197 Inje Rd, Gimhae-si, Gyeongsangnam-do 621-749, Republic of Korea