Published on in Vol 6 , No 4 (2018) :April

1 Department of Epidemiology and Biostatistics , School of Public Health , Peking University Health Science Center , Beijing , CN
2 Center for Medical Informatics , Peking University , Beijing , CN
3 The Affiliated Hospital of Guangdong Medical University , Zhanjiang , CN
4 Department of Medical Informatics , School of Public Health , Jilin University , Changchun , CN
5 School of Stomatology , Peking University , Beijing , CN
6 School of Medical Informatics and Engineering , Southwest Medical University , Luzhou , CN