1. Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
2. Institute of Dermatological Science, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea.
4. Pohang Accelerator Laboratory, POSTECH, Pohang, Korea.
5. Department of Physics and Astronomy, Seoul National University College of Natural Sciences, Seoul, Korea.