Department of Gastroenterology;
the First Affiliated Hospital of Nanchang University;
Nanchang 330006;
Jiangxi Province;
China;
Correspondence to: Nong-Hua Lu;
MD;
Department of Gastroenterology;
the First Affiliated Hospital of Nanchang University;
Nanchang 330006;
Jiangxi Province;
China. lunonghua@ncu.edu.cn Telephone: +86-791-88692705 Fax: +86-791-88623153;