1. Rehabilitation and Prevention Center, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
2. Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4. Department of Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Korea.
5. Center for Health Promotion, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
6. Interdisciplinary Program in Bioengineering, Graduate School, Seoul National University, Seoul, Korea.
7. Integrated Major in Innovative Medical Science, Seoul National University Graduate School, Seoul, Korea.
8. Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University, Seoul, Korea.