Prediction models: stepwise development and simultaneous validation is a step back

Journal of Clinical Epidemiology, vol. 142, pp. 330–331

Authors 5

1. Georg Heinze corresponding

   Medical University of Vienna

   Affiliation as printed

   Section for Clinical Biometrics, Center for Medical Statistics, Informatics and Intelligent Systems, Medical University of Vienna, Spitalgasse 23, 1090 Vienna, Austria. Electronic address: georg.heinze@meduniwien.ac.at

   Section for Clinical Biometrics, Center for Medical Statistics, Informatics and Intelligent Systems, Medical University of Vienna, Spitalgasse 23, 1090 Vienna, Austria

2. Maarten van Smeden

   Utrecht University · University Medical Center Utrecht

   Affiliation as printed

   Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands

3. Laure Wynants

   Maastricht University · Care and Public Health Research Institute · KU Leuven

   Affiliation as printed

   Department of Epidemiology, CAPHRI Care and Public Health Research Institute, Maastricht University, Netherlands; Department of Development and Regenaration, KU Leuven, Leuven, Belgium; EPI-center, KU Leuven, Belgium

   Department of Development and Regenaration, KU Leuven, Leuven, Belgium

   Department of Epidemiology, CAPHRI Care and Public Health Research Institute, Maastricht University, Netherlands

   EPI-center, KU Leuven, Belgium

4. Ewout Willem Steyerberg Aachen Department of Biomedical Data Sciences

   Leiden University Medical Center

   Affiliation as printed

   Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands

5. Ben Van Calster Aachen Department of Biomedical Data Sciences

   Leiden University Medical Center · KU Leuven

   Affiliation as printed

   Department of Development and Regenaration, KU Leuven, Leuven, Belgium; EPI-center, KU Leuven, Belgium; Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands

   Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands

   Department of Development and Regenaration, KU Leuven, Leuven, Belgium

   EPI-center, KU Leuven, Belgium