1. Arbor Research Collaborative for Health, Ann Arbor, MI, USA
2. Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
3. Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
4. Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
5. Department of Urology, Medical School, University of Michigan, Ann Arbor, MI, USA
6. Vanderbilt University Medical Center, Nashville, TN, USA