aCenter for Healthcare Organization and Implementation Research (CHOIR), ENRM VAMC, Bedford.
bDepartment of Health Law, Policy and Management, Boston University School of Public Health, Boston
cResearch Program in Men's Health, Aging and Metabolism, Boston Claude D. Pepper Older Americans Independence Center, Brigham and Women's Hospital, Harvard Medical School, Boston
dRAND Corporation, Boston, MA
eDepartment of Medicine, Section of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
Correspondence to Guneet K. Jasuja, PhD, Center for Healthcare Organization and Implementation Research, Bedford VA Medical Center, 200 Springs Road, Bedford, MA 01730, USA. Tel: +1 781 687 2767; fax: +1 781 687 3106; e-mail: [email protected]