[1] VA Bedford Healthcare Syst, Ctr Healthcare Org & Implementat Res, Bedford, MA USA
[2] Boston Univ, Chobanian & Avedisian Sch Med, Sect Endocrinol Diabet Nutr & Weight Management, Boston, MA USA
[3] Brandeis Univ, Heller Sch Social Policy & Management, Waltham, MA USA
[4] Boston Univ, Chobanian & Avedisian Sch Med, Ctr Healthcare Org & Implementat Res, VA Bedford Healthcare Syst,Sect Endocrinol Diabete, 72 East Concord St,C3, Boston, MA 02118 USA