1. University of Washington National Primate Research Center, Seattle, Washington, USA;
2. Swedish/Providence Hospital Family Practice Residency, Seattle, Washington, USA;
3. University of Toronto at Scarborough, Toronto, Ontario, Canada;
4. Udayana University, Denpasar, Bali, Indonesia;
5. University of Notre Dame, Terre Haute, Indiana, USA;
6. Southern Research Institute, Frederick, Maryland, USA;
7. Southwest Foundation for Biomedical Research, San Antonio, Texas, USA