1. University of Basel, Basel, Switzerland, and Academic Centre for Nursing and Midwifery, Katholieke Universiteit Leuven, Leuven, Belgium (S.D.)
2. Center for Health Services Research in Primary Care at Durham Veterans Affairs Health Care System and Duke University School of Medicine, Durham, North Carolina (L.L.Z.)
3. University of Pittsburgh School of Nursing, Pittsburgh, Pennsylvania (J.D.)
4. University of Basel, Basel, Switzerland (R.H.)
5. Centre for Health Economics and Medicines Evaluation, Bangor University, Bangor, Gwynedd, North Wales, United Kingdom (D.A.H.)
6. Brown University School of Public Health, Providence, Rhode Island (I.B.W.)
7. University of Liège, Liège, Belgium, and AARDEX Group, Visé, Belgium (B.V.)