1. Department of Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
2. Department of Social Medicine, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
3. Department of Sociology, University of Texas at Austin, Austin, TX, USA
4. Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
5. Program for Research on Men’s Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA