1. Zhengzhou Key Laboratory for Precision Therapy of Gastrointestinal Cancer, Department of Oncology, Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer, The Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, P.R. China
2. Department of Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
3. College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
4. The Academy of Medical Sciences of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China