1 Behavioral and Community Health Sciences, University of Pittsburgh School of Public Health, 6127 Public Health, 130 DeSoto Street, Pittsburgh, PA, 15261, USA. meh96@pitt.edu.
2 School of Nursing, University of Alabama at Birmingham, Birmingham, AL, USA.
3 Center for Research On Healthcare, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.