[1] Scott & White Mem Hosp & Clin, Coll Med, Texas A&M Hlth Sci Ctr, Inst Neurosci, Temple, TX 76508 USA
[2] Texas A&M Hlth Sci Ctr, Coll Med, Dept Neurosurg, Temple, TX USA
[3] Texas A&M Hlth Sci Ctr, Coll Med, Dept Psychiat & Behav Sci, Temple, TX USA
[4] Univ Texas Hlth Sci Ctr San Antonio, Res Imaging Ctr, San Antonio, TX 78229 USA
[5] Yale Univ, Dept Psychiat, Hartford, CT USA
[6] Yale Univ, Inst Living, Hartford, CT USA
[7] Vet Affairs Med Ctr, Behav Sci Labs, Oklahoma City, OK 73104 USA