1. College of Information Engineering, Shanghai Maritime University, Shanghai 201306, China
2. Department of Genetics and Genomics Sciences, Mount Sinai School of Medicine, New York, NY 10029, USA
3. Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
4. Department of Computer Science, Aberystwyth University, Aberystwyth, Ceredigion SY23 3DB, UK
5. Department of Radiology, Columbia University Medical Center, New York, NY 10032, USA
6. Gastrointestinal Medical Department, China-Japan Union Hospital of Jilin University, Changchun 130033, China