1. College of Artificial Intelligence, Southwest University, Chongqing, China
2. Computer Research Institute of Montreal, Montreal, Canada
3. Unit of Public Health and Medical Information, CHU de Saint Étienne, Saint Étienne, France
4. Mines Saint-Étienne, Univ Clermont Auvergne, CNRS, UMR 6158 LIMOS, Centre CIS, Saint Étienne, France