1. Department of Urology, Miller School of Medicine, University of Miami, Miami, Florida
2. Division of Endocrinology , Diabetes and Hypertension, Brigham and Woman's Hospital, Harvard Medical School, Boston, Massachusetts
3. Division of Biostatistics, Department of Public Health Sciences, Miller School of Medicine, University of Miami, Miami, Florida
4. Sylvester Biostatistics and Bioinformatics Shared Resource, Miller School of Medicine, University of Miami, Miami, Florida