Nanjing Med Univ;
Affiliated Hosp 1;
Dept Neurosurg;
Nanjing 210029;
Peoples R China;
NCI;
Ctr Canc Res;
Lab Receptor Biol & Gene Express;
N1H;
Bethesda;
MD 20892 USA. Tianjin Med Univ;
Gen Hasp;
Dept Neurosurg;
Tianjin 300052;
Peoples R China;
Univ Maryland;
Sch Med;
VA Maryland Hlth Care Syst;
MS Ctr Excellence East;
Baltimore;
MD 21201 USA;
Univ Maryland;
Sch Med;
Dept Neurol;
Baltimore;
MD 21201 USA;