Tao, Heqing MD∗; Chang, Hong MD∗; Li, Nan MD†; Zhu, Shiwei MD‡; Duan, Liping MD∗
From the ∗Department of Gastroenterology
†Research Center of Clinical Epidemiology
‡Department of Ultrasound, Peking University Third Hospital, Beijing, China.
Received for publication June 10, 2021; accepted October 13, 2022.
Address correspondence to: Liping Duan, MD, Department of Gastroenterology, Peking University Third Hospital, No. 49 N Garden Rd, Haidian District, Beijing, 100191, China (e-mail: [email protected]).
The authors declare no conflict of interest.
