1. Hotchkiss Brain Institute, University of Calgary
2. Neurohomeostasis Research Group, Department of Psychiatry and Psychotherapy, University Hospital Bonn
3. Monell Chemical Senses Center and Department of Neuroscience, University of Pennsylvania
4. Department of Psychiatry and Behavioral Sciences, University of Washington
5. Weill Cornell Medical College, Cornell University
6. Texas Tech University, School of Veterinary Medicine