1. McFarland Clinic Ames Iowa
2. Albert Einstein College of Medicine/Montefiore Medical Center the Bronx New York
3. Albert Einstein College of Medicine/Jacobi Medical Center the Bronx New York
4. Rutgers Center for Pharmacoepidemiology and Treatment Science and Institute for Health, Health Care Policy, and Aging Research New Brunswick New Jersey
5. UnityPoint Health Des Moines Iowa
6. Hackensack University Hospital Hackensack New Jersey