[1] Wenzhou Med Univ, Affiliated Hosp 1, Dept Gastroenterol & Hepatol, Wenzhou, Zhejiang, Peoples R China
[2] Wenzhou Med Univ, Affiliated Hosp 1, Intens Care Unit, Wenzhou, Zhejiang, Peoples R China
[3] Univ Texas Hlth Sci Ctr, Dept Surg, Houston, TX USA
[4] Sandro Pertini Hosp, Unit Gastroenterol & Digest Endoscopy, Rome, Italy