1. Center for Healthcare Organization and Implementation Research, VA Boston Healthcare System , Boston, Massachusetts , USA
2. Center of Innovation in Long-Term Services and Supports, VA Providence Healthcare System , Providence, Rhode Island , USA
3. School of Public Health, Brown University , Providence, Rhode Island , USA
4. School of Public Health, Boston University , Boston, Massachusetts , USA
5. VA Office of Rural Health, Veterans Rural Health Resource Center, Iowa City VA Health Care System , Iowa City, Iowa , USA
6. Department of General Internal Medicine, University of Iowa Carver College of Medicine , Iowa City, Iowa , USA