1. Center for Gerontology and Healthcare Research, Brown University, School of Public Health, Providence, Rhode Island, USA.
2. Department of Health Services, Policy & Practice, Brown University, School of Public Health, Providence, Rhode Island, USA.
3. Department of Health Policy and Management, Columbia University Mailman School of Public Health, New York, New York, USA.
4. Center for Long-Term Quality & Innovation, Brown University, School of Public Health, Providence, Rhode Island, USA.
5. U.S. Department of Veterans Affairs Medical Center, Providence, Rhode Island, USA.