1. Center of Innovation for Complex Chronic Healthcare, Edward Hines, Jr. VA Hospital, Hines, Illinois, USA
2. Loyola University Chicago Stritch School of Medicine, Maywood, Illinois, USA
3. University of Illinois at Chicago, Chicago, Illinois, USA
4. VA Puget Sound Healthcare System, Seattle, Washington, USA
5. University of Washington School of Medicine, Seattle, Washington, USA
6. Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA