Zhong, Changqing MS*; Qu, Changmin MD*; Wang, Baoyan BS†; Liang, Shuwen MS*; Zeng, Bolun MS*
*Department of Gastroenterology, The 306th Hospital of PLA
†Prevention Healthcare Clinic, Desheng Community Health Service Center, Beijing, China
The authors declare that they have nothing to disclose.
Address correspondence to: Changmin Qu, MD, Department of Gastroenterology, The 306th Hospital of PLA, Beijing 100101, China (e-mail: [email protected]).