1 Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109-2029, USA. Electronic address: adfinkel@umich.edu.
2 Telfer School of Management, University of Ottawa, Ottawa, ON, Canada.
3 Division of Medical Ethics, New York University School of Medicine, New York, NY, USA.
4 Harvard T.H. Chan School of Public Health, Boston, MA, USA.
5 Center for Ethics, Emory University, Atlanta, GA, USA.