[1] Univ New Mexico, Hlth Sci Ctr, Dept Neurol, Albuquerque, NM 87131 USA
[2] Univ New Mexico, Hlth Sci Ctr, Dept Neurosci, Albuquerque, NM 87131 USA
[3] Univ New Mexico, Hlth Sci Ctr, Dept Cell Biol & Physiol, Albuquerque, NM 87131 USA
[4] Univ New Mexico, Hlth Sci Ctr, Dept Math & Stat, Albuquerque, NM 87131 USA
[5] Univ Gothenburg, Sahlgrenska Acad, Inst Neurosci & Physiol, Dept Psychiat & Neurochem, Gothenburg, Sweden