1Department of Gastroenterology, Tokuyama Central Hospital, Shunan, Japan. 2Department of Laboratory Science, Yamaguchi University Graduate School of Medicine, Ube, Japan. 3Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Ube, Japan.
Correspondence: S.S. (email: [email protected]);
Published online 19 June 2018
SUPPLEMENTARY MATERIAL accompanies this paper at https://links.lww.com/AJG/A299