[1
]
Division of Gastroenterology, Department of Internal Medicine and Liver Research Institute,
Seoul National University College of Medicine, Daehangno 101, Jongno-gu, Seoul, 110-744,
Republic of Korea.
[2
]
Yonsei University Graduate School of Medicine, Seoul, Republic of Korea.
[3
]
Division of Gastroenterology, Department of Internal Medicine and Liver Research Institute,
Seoul National University College of Medicine, Daehangno 101, Jongno-gu, Seoul, 110-744,
Republic of Korea. hschungmd@gmail.com.
[4
]
Yonsei University Graduate School of Medicine, Seoul, Republic of Korea. hschungmd@gmail.com.
[5
]
Division of Gastroenterology, Department of Internal Medicine, Institute of Gastroenterology,
Yonsei University College of Medicine, 50-Yonsei-ro, Seodaemun-gu, Seoul, Republic
of Korea. kaarma@yuhs.ac.
[6
]
Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea.
[7
]
Division of Gastroenterology, Department of Internal Medicine, Institute of Gastroenterology,
Yonsei University College of Medicine, 50-Yonsei-ro, Seodaemun-gu, Seoul, Republic
of Korea.