1. Department of General Surgery, Putuo People’s Hospital of Tongji University, Shanghai, China
2. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
3. Department of General Surgery, Shanghai Tenth People’s Hospital of Tongji University, Shanghai, China
4. Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
5. Department of Pathology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China