1 Global Action on Men's Health, London SE1 4YR, UK. Electronic address: peter.baker@gamh.org.
2 Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa; Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA.
3 Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA.
4 Global Action on Men's Health, London SE1 4YR, UK; Center for Men's Health Equity, Racial Justice Institute, Georgetown University, Washington, DC, USA.