aVeterans Affairs San Diego Healthcare System
bUniversity of California San Diego
cOptiBrain Consortium
dNaval Special Warfare Group One
eNaval Health Research Center, La Jolla, San Diego, California
fUniversity of Texas at Austin, Texas, USA
gSingapore Institute for Clinical Sciences-A*STAR and National University of Singapore, Singapore
Correspondence to Alan N. Simmons, PhD, Department of Psychiatry, University of California San Diego (Mailcode 0151B), 9500 Gilman Dr, La Jolla, San Diego, CA 92093, USA Tel: + 858 642 3547; fax: + 858 534 4950; e-mail: [email protected]
Received December 5, 2011
Accepted December 7, 2011
