1. Rinat, Pfizer Inc., South San Francisco, CA 94080, USA.
2. Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA 94305, USA.
3. Drug Safety R&D, Pfizer Inc., La Jolla, CA 92121, USA.
4. Walker Bioscience, Carlsbad, CA 92009, USA.
5. Radboud University Nijmegen Medical Centre, 6500 HB Nijmegen, Netherlands.
6. VU University Medical Center, 1007 MB Amsterdam, Netherlands.