1. Center for Medical Decision Making, Department of Public Health, Erasmus MC, Rotterdam, the Netherlands.
2. Department of Neurology, University Medical Center Groningen, the Netherlands.
3. Department of Clinical and Developmental Neuropsychology, University of Groningen, University Medical Center Groningen, the Netherlands.
4. Department of Neurological Surgery, University of California, San Francisco, San Francisco, California.
5. Brain and Spinal Injury Center, San Francisco General Hospital, San Francisco, California.
6. Institute of Medical Psychology and Medical Sociology, Georg-August-University, Göttingen, Germany.
7. Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, Leiden, the Netherlands.