1. Merck Sharp & Dohme Ltd; Hoddesdon UK
2. Boston Collaborative Drug Surveillance Program; Boston University School of Public Health; Lexington MA USA
3. Global Health Outcomes Global Outcomes Research; Merck & Co., Inc.; Whitehouse Station NJ USA
4. Value Demonstration Practice; Oxford PharmaGenesis Ltd; Oxford UK
5. Department of Renal Medicine; Salford Royal NHS Foundation Trust; Salford UK