1. Mucosal Immunology Laboratory, University of Ulsan College of Medicine/Asan Medical Center, Seoul, Republic of Korea
2. Department of Gastroenterology, University of Ulsan College of Medicine/Asan Medical Center, Seoul, Republic of Korea
3. Department of Convergence Medicine, University of Ulsan College of Medicine/Asan Medical Center, Seoul, Republic of Korea
4. Department of Pathology, University of Ulsan College of Medicine/Asan Medical Center, Seoul, Republic of Korea