1. Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100005, China
2. Department of Medical Oncology, Chifeng Municipal Hospital, Chifeng 024000, China
3. Department of Pathology, Baotou Medical College, Baotou 014040, China
4. Department of Pathology, The First Affiliated Hospital of Baotou Medical College, Baotou 014010, China