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.