Allan H. Ropper, MD Executive Vice-Chair of Neurology, Brigham and Women?s Hospital, and Professor of Neurology, Harvard Medical School.

Martin A. Samuels, MD, FAAN, MACP, DSc(Hon) Chairman, Department of Neurology, Brigham and Women?s Hospital, Professor of Neurology, Harvard Medical School.

Joshua P. Klein, MD, PhD Chief, Division of Hospital Neurology; Clinical Service Director, Neurology; and Director of Performance Improvement, Neurology, Brigham and Women?s Hospital; and Associate Professor of Neurology and Radiology, Harvard Medical School.

Sashank Prasad, MD Chief, Division of Neuro-Ophthalmology and Associate Program Director, BWH-MGH Neurology Residence, Brigham and Women?s Hospital; and Associate Professor of Neurology, Harvard Medical School.

–This text refers to the hardcover edition.

Allan H. Ropper, MD Executive Vice-Chair of Neurology, Brigham and Women?s Hospital, and Professor of Neurology, Harvard Medical School.

Martin A. Samuels, MD, FAAN, MACP, DSc(Hon) Chairman, Department of Neurology, Brigham and Women?s Hospital, Professor of Neurology, Harvard Medical School.

Joshua P. Klein, MD, PhD Chief, Division of Hospital Neurology; Clinical Service Director, Neurology; and Director of Performance Improvement, Neurology, Brigham and Women?s Hospital; and Associate Professor of Neurology and Radiology, Harvard Medical School.

Sashank Prasad, MD Chief, Division of Neuro-Ophthalmology and Associate Program Director, BWH-MGH Neurology Residence, Brigham and Women?s Hospital; and Associate Professor of Neurology, Harvard Medical School.

–This text refers to the hardcover edition.