1. Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University College of Medicine, Seoul, Korea
2. Department of Physical and Rehabilitation, Kangbuk Samsung Hospital, Sungkyunkwan University College of Medicine, Seoul, Korea
3. Department of Bionano Technology, Gachon University, Seongnam, Gyeonggi-do, Korea
4. School of Material Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, Korea