1. Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento, CA, USA
2. Department of Ophthalmology, Duke University School of Medicine, Durham, NC, USA
3. Division of Medical Imaging, Sutter Medical Center, Sacramento, CA, USA
4. Department of Surgery, Maimonides Medical Center, Brooklyn, New York, NY, USA
5. Shiley Center for Orthopedic Research and Education, Scripps Clinic, La Jolla, California, CA, USA