1 Geisel School of Medicine, Dartmouth College, Hanover, NH; The Dartmouth Institute for Health Policy and Clinical Practice, Hanover, NH; Department of Veterans Affairs Medical Center, White River Junction, VT.
2 Geisel School of Medicine, Dartmouth College, Hanover, NH; The Dartmouth Institute for Health Policy and Clinical Practice, Hanover, NH; Department of Veterans Affairs Medical Center, White River Junction, VT. Electronic address: [email protected].
3 Geisel School of Medicine, Dartmouth College, Hanover, NH.
4 Geisel School of Medicine, Dartmouth College, Hanover, NH; The Dartmouth Institute for Health Policy and Clinical Practice, Hanover, NH.
5 The Dartmouth Institute for Health Policy and Clinical Practice, Hanover, NH; BMJ Quality and Safety, London, UK; Institute for Healthcare Improvement, Cambridge, MA.