1. Department of Preventive Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
2. Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea.
3. Department of Biomedical Engineering, Yonsei University, Wonju, Korea.
4. Division of Cardiology, Department of Internal Medicine, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea.