aDepartment of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai
bDepartment of Neurosurgery, Affiliated Hospital of Nantong University
cThe Second People’s Hospital of Nantong, Nantong
dDepartment of Emergency Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
*Xuan-Feng Qin and Xiao-Jian Lu contributed equally to the writing of this article.
Correspondence to Feng Xu, MD, PhD, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, 12 Wulumuqi Middle Road, Shanghai 200040, China Tel: +86 021 52889999; fax: +86 021 62489191; e-mail: [email protected] and Hai-Dong Qin, MD, Department of Emergency Medicine, Nanjing First Hospital, 68 Changle Road, Nanjing 210006 Tel: +86 025 5227 1000; fax: +86 025 52269924; e-mail: [email protected]
Received October 27, 2013
Accepted October 28, 2013