| Institution: | *Dartmouth-Hitchcock Medical Center, One Medical Center Drive Lebanon, NH 03756, and Department of Community and Family Medicine, Dartmouth Medical School Hanover, NH 03755, USA
 The Health Institute, New England Medical Center 750 Washington Street, Box 345, Boston, MA 02111, Tufts University, and Harvard School of Public Health|Boston, Massachusetts, USA
 RAND 1700 Main Street, Santa Monica, CA 90407, USA
 Quality Resource Group, Hospital Corporation of America One Park Plaza, Nashville, TN 37202, USA
¶Department of Health Care, Quality Improvement Education and Research, Henry Ford Health System Detroit, MI 48202, USA |
