1. Oslo Centre for Biostatistics and Epidemiology, Research Support Services Oslo University Hospital Oslo Norway
2. Department of Biostatistics, Medical School Marmara University İstanbul Turkey
3. Division of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences Stellenbosch University Cape Town South Africa
4. Faculty of Chemistry, Biotechnology and Food Sciences Norwegian University of Life Sciences Ås Norway
5. Faculty of Medicine and Medical Center, Institute of Medical Biometry and Statistics University of Freiburg Freiburg Germany
6. Center for Medical Statistics, Informatics, and Intelligent Systems Medical University of Vienna Vienna Austria
7. Department of Biostatistics at Epidemiology, Biostatistics and Prevention Institute University of Zurich Zurich Switzerland
8. Oslo Centre for Biostatistics and Epidemiology University of Oslo Oslo Norway
9. Section of Biostatistics, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
10. Centre for Statistical Science Peking University Beijing China
11. Institute for Health Care Delivery Science Icahn School of Medicine at Mount Sinai New York New York USA
12. Division of Biostatistics, Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
13. Centre for Biostatistics University of Manchester, Manchester Academic Health Science Centre Manchester UK
14. Centre for Epidemiology Versus Arthritis, Centre for Musculoskeletal Research University of Manchester, Manchester Academic Health Science Centre Manchester UK
15. Basel Academy for Quality and Research in Medicine Basel Switzerland
16. Department of Environmental Sciences University of Basel Basel Switzerland
17. Laboratory for Interdisciplinary Statistical Analysis, Department of Applied Mathematics University of Colorado Boulder Boulder Colorado USA