1. Department of Medicine; Johns Hopkins University School of Medicine; Baltimore Maryland U.S.A.
2. Temple University School of Medicine; Philadelphia Pennsylvania U.S.A.
3. Naples Anesthesia and Pain Associates; Naples Florida U.S.A.
4. Purdue Pharma LP; Stamford Connecticut U.S.A.
5. IMS Health; Plymouth Meeting Pennsylvania U.S.A.
6. Symphony Health Solutions; Horsham Pennsylvania U.S.A.
7. University of Pennsylvania; Philadelphia Pennsylvania U.S.A.