1. Harvard John A. Paulson School of Engineering and Applied Sciences Cambridge Massachusetts USA
2. Paul G. Allen School of Computer Science and Engineering University of Washington Seattle Seattle Washington USA
3. Department of Neurology, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA
4. Ataxia Unit, Department of Neurology Massachusetts General Hospital, Harvard Medical School Boston Masssachusetts USA
5. Movement Disorders Unit, Department of Neurology, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA