1. Unité de recherche Cerveau et Cognition, Centre National de la Recherche Scientifique UnitéMixte de Recherche 5549, Université Paul Sabatier, Toulouse, France;
2. Center for Computational Biology, Montana State University, Bozeman, Montana;
3. Instituto de Neurociencias, Universidad Miguel Hernández-Consejo Superior de Investigaciones, San Juan de Alicante, Spain; and
4. Department of Neurobiology, Yale University School of Medicine, New Haven, Connecticut