1. Ningbo Pace Translational Medical Research Center, Beilun, Ningbo 210029, China
2. Division of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, China
3. Division of Gastroenterology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310000, China
4. Division of Gastroenterology, Yinzhou Hospital Affiliated to Medical School of Ningbo University, Ningbo 210029, China
5. Ningbo Maida Medical Device Inc., Ningbo 210029, China
6. Division of Gastroenterology and Hepatology, Johns Hopkins Center for Neurogastroenterology, Baltimore, MD 21224, USA