Debra Lerner, MS, PhD; David A. Adler, MD; William H. Rogers, PhD; Hong Chang, PhD; and Leueen Lapitsky, MPH, are with the Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, Massachusetts. Thomas McLaughlin, ScD, is with the Center for Health Policy and Research, University of Massachusetts Medical School, Shrewsbury, Massachusetts. John Reed, MD, is with the Department of Rheumatology, Fallon Clinic, Worcester, Massachusetts (At 2010-01)