[1] Emory Clin, Dept Neurosurg, Atlanta, GA 30322 USA
[2] Emory Clin, Dept Radiol, Atlanta, GA 30322 USA
[3] Emory Univ, Sch Med, Dept Pathol & Lab Med, Atlanta, GA 30322 USA
[4] Emory Rollins Sch Publ Hlth, Dept Biostat & Bioinformat, Atlanta, GA USA
[5] Emory Univ, Sch Med, Dept Radiol, Atlanta, GA 30322 USA
[6] Emory Univ, Sch Med, Dept Neurosurg, Atlanta, GA USA
[7] Emory Univ, Sch Med, Dept Neurol, Atlanta, GA 30322 USA
[8] Univ Texas Houston, Dept Neurosurg, Houston, TX USA
[9] Tripler Army Med Ctr, Dept Neurosurg, Honolulu, HI 96859 USA
[10] Emory Univ Hosp, Atlanta, GA 30322 USA