Institution: | 1.Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, P.R. China;2.Department of Human Anatomy, College of Basic Medical Science, Zhengzhou University, Zhengzhou 450001, Henan, P.R. China;3.Henan Academy of Medical and Pharmaceutical Sciences, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, Henan, P.R. China |