1. University of Wisconsin-Milwaukee Joseph J. Zilber School of Public Health, Milwaukee, WI, USA
2. Centre for Health Economics Research & Modelling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO) WHO Collaborating Centre, University of Antwerp, Antwerp, Belgium
3. Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA
4. Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
5. Department of Epidemiology, University of Michigan-School of Public Health, Ann Arbor, MI, USA
6. Division of Biostatistics and Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA