1. Department of Anatomy and Neurobiology (A.H., D.K., I.L.), University of Maryland-Baltimore, Baltimore, Maryland 21201
2. Department of Microbiology and Immunology (F.J.), University of British Columbia, Life Sciences Centre, Vancouver, British Columbia, V6T 1Z3 Canada
3. Neuropeptide Structure and Metabolism Laboratory (C.L.), Institut de Recherches Cliniques de Montreal, Montreal, Quebec, H2W 1R7 Canada