1. Division of Cardiology, Duke University Medical Center, Durham, North Carolina
2. DCRI, Biostatistics and Bioinformatics, Duke University, Durham, North Carolina
3. KenAnCo Biostatistics, San Antonio, Texas
4. Royal Victoria Hospital, McGill University, Montreal, Quebec, Canada
5. Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina6Associate Editor, JAMA