1. Office of Chief Medical Officer, Johnson & Johnson, New Brunswick, New Jersey, USA.
2. Department of Statistics and Decision Sciences, Janssen Research & Development, LLC, Titusville, New Jersey, USA.
3. Global Medical Affairs, Janssen Research & Development, LLC, Titusville, New Jersey, USA.
4. Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA.
5. Department of Neurology, First Medical Faculty, Charles University, Prague, Czech Republic.