1. Health Science Research Associates, Apache Junction, AZ,
2. Health Science Research Associates, Tahoe City, CA
3. Health Sciences Research Associates, Townsend, MA
4. John C. Lincoln Hospital, Phoenix, AZ
5. The Miriam Hospital, Providence, RI
6. St. Cloud Hospital, St. Cloud, MN
7. Children's Mercy Hospitals and Clinics, Kansas City, MO
8. East Jefferson General Hospital, New Orleans, LA
9. University of Colorado Hospital, Denver
10. St. Joseph's Hospital of Atlanta, GA
11. Providence St. Vincent's Hospital, Portland, OR