Published on in Vol 19, No 6 (2017): June
1 Second Affiliated Hospital, School of Medicine,Zhejiang University, Hangzhou, China
2 Department of Gastroenterology, Affiliated Hospital of Southwest Medical University, Luzhou, China
3 Center for Statistics and Information, National Health and Family Planning Commission of China, Beijing, China
4 Library of Zhejiang University, Hangzhou, China
5 School of Biomedical Informatics, University of Texas Health Sciences Center, Houston, TX, United States
6 Center for Medical Informatics, Peking University, Beijing, China
7 School of Medical Informatics and Engineering, Southwest Medical University, Luzhou, China