1 Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
2 Department of Radiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
3 Division of General Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
4 Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, 325, Sec 2, Cheng-Kung Road, Neihu 114, Taipei, Taiwan.
5 Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, 325, Sec 2, Cheng-Kung Road, Neihu 114, Taipei, Taiwan. doc10506@gmail.com.