1. Warren Alpert Medical School, Brown University, Providence, Rhode Island
2. Biogen, Cambridge, Massachusetts
3. Institutes of Healthcare Engineering and Neurology, University College London, London, United Kingdom
4. Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, the Netherlands
5. California Pacific Medical Center, San Francisco
6. Bioclinica, Newark, California
7. Cytel Inc, Waltham, Massachusetts