1. Duke Clinical Research Institute, Duke University Medical Center, Durham, N.C.,
2. Clinical Trial Service Unit & Epidemiological Studies Unit, University of Oxford, Oxford, U.K.
3. Population Health Research Institute, HGH McMaster Clinic, Hamilton, Ontario
4. Contract Pharma, ECLA, Rosario, Argentina
5. Duke Clinical Research Institute, Duke University Medical Center, Durham, N.C.
6. Department of Clinical Neurosciences, Western General Hospital, Edinburgh, U.K.
7. Clinical Research Operations, Global Trial Management, Merck & Co., Inc., Rahway, NJ
8. Maryland Medical Research Unit, Baltimore, MD
9. Duke Translational Medicine Institute, Duke University Medical Center, Durham, N.C.
10. Instituto Cardiovascular de Rosario, Rosario, Argentina