From the Medical Center (J.W.), the Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Department of Neurosurgery (X.P.), the Traditional Chinese Medicine Hospital of Linan, Linan, China; Department of Neurological Laboratory (Z.P), the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; and Department of Neurosurgery (W.W., W.Q., Z.S., G.X.), the Affiliated Hospital of Hangzhou Normal University, Hangzhou, China.
Submitted: November 30, 2011, Revised: February 4, 2012, Accepted: February 20, 2012, Published online: May 30, 2012.
Supported by grants from the Health Department of Hangzhou and the Science and Technology Department of Lin’an, Zhejiang province, China.
Address for correspondence: Guomin Xiao, MD, Department of Neurosurgery, the Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China; email: [email protected].
