Letters to the editor

David Burke MD, DSc, FRACP

Department of Neurology The Prince Henry and Prince of Wales Hospitals and Prince of Wales Medical Research Institute High Street Randwick NSW 2031 Sydney, Australia

Eric L. Logigian MD

Department of Medicine (Neurology) Brigham and Women's Hospital 75 Francis Street Boston, MA 02115, USA

Joseph R. Madesen MD

Department of Surgery (Neurosurgery) Children' Hospital Boston, MA

Ernest W. Johnson MD

Department of Surgery (Neurosurgery) Children' Hospital Boston, MA

David Burke MD DSc

Department of Rehabilitation Medicine The Ohio State University 370 West 9th Avenue Columbus, OH 43210, USA

Peter J. Goadsby MD, PhD

Department of Rehabilitation Medicine The Ohio State University 370 West 9th Avenue Columbus, OH 43210, USA

S. E. Kaba MD

Prince of Wales Medical Research Institute High Street Randwick, NSW 2031 Sydney, Australia

P. Pullicino MD

Prince of Wales Medical Research Institute High Street Randwick, NSW 2031 Sydney, Australia

L. D. Jacobs MD

Prince of Wales Medical Research Institute High Street Randwick, NSW 2031 Sydney, Australia

Michael A. Boss PhD

Department of Neurology State University of New York at Buffalo Baird Multiple Sclerosis Research Center, Harrington House, 100 High Street Buffalo, NY 14203, USA

Uma Ananth PhD

Department of Neurology State University of New York at Buffalo Baird Multiple Sclerosis Research Center, Harrington House, 100 High Street Buffalo, NY 14203, USA

Darcy Paquet BS

Department of Neurology State University of New York at Buffalo Baird Multiple Sclerosis Research Center, Harrington House, 100 High Street Buffalo, NY 14203, USA

Patricia D. Murphy PhD

Research and Development Genica Pharmaceuticals Corporation 377 Plantation Street Worcester, MA 01605, USA

Lynette Kiers MB BS, Fracp

Department of Neurology Royal Melbourne Hospital Grattan Street, Parkville Victoria 3050, Austrlia