1. Department of Neurology, University Hospital Essen, Germany
2. Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
3. Institute of Epidemiology and Social Medicine, University of Münster, Germany
4. Division of Preventive Medicine, Department of Medicine; Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
5. College of Health Sciences, University of Bordeaux, France
6. Inserm Research Center for Epidemiology and Biostatistics – Team Neuroepidemiology, Bordeaux, France