University of Pennsylvania - Department of Neurology, Amprion Inc. - R & D Unit, University of Iowa - Department of Biostatistics, Amprion Inc. - R & D Unit, Amprion Inc. - R & D Unit, Amprion Inc. - R & D Unit, Amprion Inc. - R & D Unit, Tel Aviv Sourasky Medical Centre - Department of Neurology, University of Pittsburgh - Department of Neurology, Indiana University School of Medicine, University of California, San Diego (UCSD) - Department of Neurology, University of Rochester - School of Medicine and Dentistry, Vincere Biosciences Inc, University of Göttingen - Department of Neurology, Stanford University - Department of Neurology and Neurological Sciences, Institute for Neurodegenerative Disorders, Northwestern University (Philippines) - Department of Neurology, University of California, San Francisco (UCSF) - Department of Neurology, University of Pennsylvania - Department of Psychiatry, Harvard University - Neurological Clinical Research Institute, University of Iowa - Department of Biostatistics, University of Iowa - Department of Biostatistics, University of Iowa - Department of Biostatistics, University of Iowa - Department of Biostatistics, The Michael J. Fox Foundation, The Michael J. Fox Foundation, The Michael J. Fox Foundation, Institute for Neurodegenerative Disorders, University of Texas at Houston, McGovern Medical School, Department of Neurology and Independent

Northwestern University (Philippines) - Department of Neurology, Northwestern University, University of Iowa, University of Iowa, University of Iowa - Department of Biostatistics, University of Iowa - Department of Biostatistics, University of Pittsburgh - Department of Neurology, Department of Neurology and the Taub Institute, Columbia University, Indiana University Purdue University Indianapolis (IUPUI) - Indiana University School of Medicine, Indiana University School of Medicine, University of Göttingen - Department of Neurology, University of Pennsylvania, University of California, San Francisco (UCSF) - Department of Neurology, Government of the United States of America - Center for Alzheimer's and Related Dementias (CARD), The Michael J. Fox Foundation and Institute for Neurodegenerative Disorders