1. Institute for Biomedicine of Ageing, Faculty of Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg , Nuremberg, Germany
2. Institute of Medical Informatics, Biometry and Epidemiology, Faculty of Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen, Germany
3. Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam Department of Health Sciences, , Amsterdam, The Netherlands
4. University of Freiburg Institute for Evidence in Medicine, Faculty of Medicine and Medical Center, , Freiburg, Germany