1. Department of Clinical Neuroscience, Karolinska Institutet, Department of Neurology, Karolinska University Hospital, Stockholm, Sweden Centre for Neurology, Academic Specialist Centre, Stockholm, Sweden
2. Department of Clinical Neuroscience, Karolinska Institutet, Department of Neurology, Karolinska University Hospital, Stockholm, Sweden
3. Department of Clinical Neuroscience, Karolinska Institutet, Department of Neurology, Karolinska University Hospital, Stockholm, Sweden Department of Medicine, Solna, Clinical Epidemiology Division, Karolinska Institutet, Stockholm, Sweden Centre for Neurology, Academic Specialist Centre, Stockholm, Sweden
4. Center for Obstetrics and Pediatrics, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
5. Southern California Permanente Medical Group, Kaiser Permanente, Los Angeles, CA, USA
6. Department of Medicine, Solna, Clinical Epidemiology Division, Karolinska Institutet, Stockholm, Sweden