1. Yonsei University,Department of Biomedical Engineering,Wonju,Republic of Korea
2. Yonsei University Wonju College of Medicine,Department of Dermatology and Institute of Hair and Cosmetic Medicine, Department of Preventive Medicine,Wonju,Republic of Korea
3. Yonsei University,Division of Cardiology,Department of Internal Medicine, Wonju Severance Christian Hospita,Wonju,Republic of Korea