1. Department of Oncology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China
2. Department of Physiology and Hypoxic Biomedicine, Institute of Special Environmental Medicine, Nantong University, Nantong 226019, China
3. Department of Oncology, Affiliated Hospital of Nantong University, Nantong 226001, China
4. Department of Pathology, Affiliated Hospital of Nantong University, Nantong 226001, China