1. Translational Sciences Sanofi Research Sanofi Framingham Massachusetts
2. Research Statistics Sanofi Research Sanofi Framingham Massachusetts
3. Department of Neurology Carver College of Medicine University of Iowa Iowa City Iowa
4. Waisman Center and Department of Comparative Biosciences University of Wisconsin Madison Wisconsin
5. National Hospital for Neurology and Neurosurgery University College London London United Kingdom