Affiliation: | aDepartment of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland bThe Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland cDepartments of Nutrition and Epidemiology, Harvard School of Public Health and Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts dClinical Research and Development, Pfizer, Inc., New York, New York |