About the Authors
Department of Medical Informatics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Netherlands Institute for Health Services Research (NIVEL), Utrecht, The Netherlands
Department of Geriatrics, Academic Medical Center, University of Amsterdam, The Netherlands
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DO SE AAH. Analyzed the data: DO SE AAH. Wrote the paper: DO. Carried out literature search: DO SE. Revised and improved manuscript: DO SE AAH SV SDV JCK.