1. Nonclinical Safety Assessment, Covance Pharmaceutical R&D (Shanghai) Co. Ltd., Shanghai, China
2. Nonclinical Safety Assessment, Covance Laboratories, Inc., Chantilly, Virginia, USA
3. Experimental Pathology Laboratories, Inc., Research Triangle Park, North Carolina, USA
4. National Institute of Environmental Health Sciences, National Toxicology Program, Research Triangle Park, North Carolina, USA