1. Veterinary Care and Services Department, Charles River Laboratories, Montreal, Quebec, Canada. Catherine.Brochu@crl.com
2. Institute of Comparative Medicine, Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, USA
3. Clinical Pathology Global Safety Assessment, Charles River Laboratories, Montreal, Quebec, Canada
4. Pathology Department, Charles River Laboratories, Montreal, Quebec, Canada
5. General Toxicology, Charles River Laboratories, Montreal, Quebec, Canada
6. Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA