1. Maine Department of Health and Human Services , Augusta, ME 04333 , United States
2. Tulane University School of Public Health and Tropical Medicine , New Orleans, LA 70112 , United States
3. Center for Health Policy and Healthcare Research, Northeastern University , Boston, MA 02115 , United States
4. D’Amore-McKim School of Business, Northeastern University , Boston, MA 02115 , United States
5. Bouve College of Health Sciences, Northeastern University , Boston, MA 02115 , United States