1. School of Artificial Intelligence, South China Normal University, Foshan, China
2. University of Oxford, Oxford, U.K.
3. Google Inc., New York, NY, USA
4. State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
5. School of Science and Technology, Hong Kong Metropolitan University, Hong Kong SAR, China
6. School of Computer Science, South China Normal University, Guangzhou, China