a
Department of Biomedical Engineering, The Ohio State University, 270 Bevis Hall, 1080 Carmack Rd., Columbus, USA
E-mail: hansford.4@osu.edu
;
Fax: +1 614 292 7301
;
Tel: +1 614 292 2665
b
NSF Nanoscale Science and Engineering Center, The Ohio State University, 1381 Kinnear Rd., Suite 100, Columbus, USA
c
Department of Neurosurgery, The Ohio State University, 410 West 10th Ave., Columbus, USA
d
Center for Molecular Neurobiology, The Ohio State University, 206 Rightmire Hall, 1060 Carmack Rd., Columbus, USA
e
Department of Neurosurgery, Sigfried and Janet Weis Center for Research, Geisinger Health System, 100 N Academy Ave., Danville, USA