1. Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
2. Department of Rehabilitation Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
3. Asan Institute for Life Sciences, Asan Medical Center, Seoul 05505, Republic of Korea
4. Department of Pediatrics, Chung-Ang University Gwangmyeong Hospital, College of Medicine, Chung-Ang University, Gwangmyeong 14353, Republic of Korea
5. Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea