1. Division of Applied Veterinary Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, Maryland, USA.
2. Micro/Nanofluidic BioMEMS Group, Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
3. Office of New Animal Drug Evaluation, Center for Veterinary Medicine, U.S. Food and Drug Administration, Rockville, Maryland, USA.