Institution: | a Department of Life Science, College of Natural Sciences, Chung-Ang University, 221 Heuksuk Dong, Dongjak Ku, Seoul 156-756, Republic of Korea b Korea Center for Disease Control and Prevention, Korean National Institute of Health, Seoul, Republic of Korea c Department of Dermatology, University of Colorado and Health Sciences Center, Denver, CO, USA d Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea |