1. Human Behavior & Genetic Institute, Associate Research Center, Korea University, Seoul, South Korea
2. School of Biomedical Engineering, Korea University, Seoul, South Korea
3. College of Medicine, Korea University, Seoul, South Korea
4. Department of Physical Medicine and Rehabilitation, College of Medicine, Korea University, Seoul, South Korea
5. College of Nursing, Korea University, Seoul, South Korea
6. Institute of Nursing Research, Korea University, Seoul, South Korea
7. BK21 FOUR R& E Center for Learning Health Systems, Korea University, Seoul, South Korea