1. JMO Dermatology, Seoul, Korea.
2. Interdisciplinary Program for Bioengineering, Seoul National University College of Engineering, Seoul, Korea.
3. Department of Dermatology, Seoul National University of College of Medicine, Institute of Human-Environment Interface Biology, Seoul, Korea.
4. Department of Mechanical & Aerospace Engineering, Institute of Advanced Aerospace Technology, Seoul National University College of Engineering, Seoul, Korea.
5. Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, Korea.
6. Institute of Medical and Biological Engineering, Seoul National University, Seoul, Korea.