1. Department of Internal Medicine, University of Ulsan College of Medicine, Seoul, Korea.
2. Asan Institute for Life Science, University of Ulsan College of Medicine, Seoul, Korea.
3. Department of Medical Science and Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4. Department of Life Science, Gachon University, Seongnam, Korea.