Ralph E Mistlberger1
, Ruud M Buijs2
, Etienne Challet3
, Carolina Escobar4
, Glenn J Landry1
, Andries Kalsbeek5
, Paul Pevet3
and Shigenobu Shibata6 
1
Department of Psychology, Simon Fraser University, Burnaby, BC Canada
2
Instituto de Investigacíones Biomedicas, Universidad Nacional Autónoma de México, Mexico
3
Institut de Neurosciences Cellulaires et Intégratives, UPR3212, Centre National de la Recherche Scientifique, Université de Strasbourg, Strasbourg, France
4
Departamento de Anatomía, Fac de Medicina, Universidad Nacional Autónoma de México, Mexico
5
Netherlands Institute for Neuroscience, Amsterdam, the Netherlands
6
Department of Pharmacology, School of Science and Engineering, Waseda University, Tokyo, Japan