1. Instituto de Física Manuel Sandoval Vallarta, Universidad Autónoma de San Luis Potosí, San Luis Potosí, San Luis Potosí, México 2Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Da
2. William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California Davis, Davis, California, United States
3. Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, California, United States
4. Department of Chemical and Biological Engineering, School of Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States
5. Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, California, United States 5Department of Ophthalmology and Vision Science, School of Medicine, University of California Davi