1. Department of Neurology University of California, Davis Davis California USA
2. Public Health Sciences University of California, Davis Davis California USA
3. Department of Neurology University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
4. Department of Neurology Cincinnati Cincinnati Children's Hospital, University of Cincinnati Ohio USA
5. Department of Environments for Health Indiana University Indianapolis Indiana USA
6. University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
7. Department of Psychiatry and Neurology Indiana University Indianapolis Indiana USA