[1] Univ Texas, Sch Behav & Brain Sci, Richardson, TX 75080 USA
[2] Johns Hopkins Univ, Blanchette Rockefeller Neurosci Inst, Rockville, MD USA
[3] Harvard Univ, Sch Med, Dept Neurobiol, Boston, MA 02115 USA
[4] Ctr Invest Reg Hideyo Noguchi, Merida, Venezuela
[5] Benemerita Univ Autonoma Puebla, Inst Fisiol, Puebla, Mexico
[6] Univ Diego, Dept Psiquiatria & Neurociencia, Portales, Chile
[7] Univ New Mexico, Sch Med, Dept Neurosci, Albuquerque, NM 87131 USA