1. Department of Biology, Duke University, Durham, United States
2. Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Wuhan, China
3. Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
4. Department of Gastrointestinal Surgery, Union Hospital, Wuhan, China
5. Development and Molecular Oncology Laboratory, Union Hospital, Wuhan, China