1. Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology Daejeon Republic of Korea
2. Department of Surgery Yonsei University College of Medicine Seoul Republic of Korea
3. Department of Dermatology Cutaneous Biology Research Institute Gangnam Severance Hospital Yonsei University College of Medicine Seoul Republic of Korea
4. Department of Internal Medicine Yonsei University College of Medicine Yonsei Liver Center Severance Hospital Seoul Republic of Korea