1 Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, People's Republic of China.
2 Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, Shanghai, 200032, People's Republic of China.
3 Department of Oncology, Shanghai Medical College of Fudan University, Shanghai, 200032, People's Republic of China.
4 Department of Medical Laboratory, Tianjin Medical University General Hospital, No. 154 Anshan Road, Heping District, Tianjin, 300052, People's Republic of China. renjingzyy@126.com.