1. Cochrane Austria, Department for Evidence-based Medicine and Evaluation, University of Krems, Krems, Austria, and RTI International, Research Triangle Park, North Carolina (G.G.)
2. Cochrane Austria, Department for Evidence-based Medicine and Evaluation, University of Krems, Krems, Austria (A.D., A.C., A.T., E.P., I.K., G.W.)
3. Faculty for Health and Medicine, University of Krems, Krems, Austria (R.E.)
4. Cochrane Austria, Department for Evidence-based Medicine and Evaluation, University of Krems, Krems, Austria, and Department of Family Medicine, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands (L.A.)
5. Department for Psychotherapy and Biopsychosocial Health, University of Krems, Krems, Austria (C.P.).