1. Perelman School of Medicine at the University of Pennsylvania Philadelphia
2. FORWARD, The National Databank for Rheumatic Diseases Kansas Wichita
3. Penn Presbyterian Medical Center Pennsylvania Philadelphia
4. Bristol Myers Squibb New Jersey Princeton Pike
5. Amgen Inc California Thousand Oaks
6. FORWARD, The National Databank for Rheumatic Diseases, Wichita, Kansas, and University of Nebraska Medical Center Nebraska Omaha