1. Indiana University Richard M. Fairbanks School of Public Health, Department of Health Policy & Management, Indianapolis, Indiana, USA
2. Regenstrief Institute, Center for Biomedical Informatics, Indianapolis, Indiana, USA
3. Weill Cornell Medical College, Department of Healthcare Policy and Research, New York, New York, USA
4. Indiana University O’Neill School of Public & Environmental Affairs, Bloomington, Indiana, USA
5. National Bureau of Economic Research