Comorbidity Prevalence and Impact on Quality of Life in Gay and Bisexual Men Following Prostate Cancer Treatment oleh Ryan Haggart, MD, Elizabeth Polter, MPH, Michael Ross, MD, PhD, Nidhi Kohli, PhD, Badrinath R. Konety, MD, MBA, Darryl Mitteldorf, MSW, William West, PhD, B.R.Simon Rosser, PhD, MPH