1. School of Medicine and Research Centers in Minority Institutions Program, University of Puerto Rico Medical Sciences Campus, San Juan, Puerto Rico.
2. Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York.
3. College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas.
4. California Orthopedic Research Network, Santa Monica, California.
5. SimQuest, Westwood, Massachusetts.
6. National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland.