1. Neurosurgery, Brain Tumor Research Laboratory, University of California Irvine, Irvine, CA, USA
2. Real-Time PCR, Ziren Research LLC, Irvine, CA, USA
3. Neurosurgery, State Key Laboratory of Oncology in South China and Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
4. Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR, USA