Michael J Marmura Author

Stephen D. Silberstein is a Professor at Jefferson Medical College, Thomas Jefferson University, and Director, Jefferson Headache Center, Thomas Jefferson University Hospital, Philadelphia, PA, USA. Michael J. Marmura is Assistant Professor in the Department of Neurology, Jefferson Headache Center, Thomas Jefferson University, Philadelphia, PA, USA. Hsiangkuo Yuan is a visiting scholar in the Department of Neurology, Thomas Jefferson University Hospital, Philadelphia, PA, USA. Stephen M. Stahl is Adjunct Professor of Psychiatry at the University of California, San Diego, CA, USA, and Honorary Visiting Senior Fellow at the University of Cambridge, Cambridge, UK.