| Albert KS | Jefferson Headache Center, Philadelphia, PA 19107, USA. |
| Ashkenazi A | Thomas Jefferson University, Department of Neurology, Philadelphia, PA 19107, USA. avi.ashkenazi@jefferson.edu |
| Bradley KC | Jefferson Headache Center, Thomas Jefferson University, Philadelphia, PA 19107, USA. |
| D'Souza J | Jefferson Headache Center, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA. |
| Evans RW | University of Pittsburgh Medical Center, Pittsburgh, PA 15206, USA. |
| Furman JM | University of Pittsburgh Medical Center, Pittsburgh, PA 15206, USA. |
| Hargreaves R | Merck and Co., Inc., West Point, PA, USA. |
| Ho TW | Merck Research Laboratories, UG 4C-18, PO Box 1000, North Wales, PA 19454-1099, USA. tony_ho@merck.com |
| Kaiser RS | Thomas Jefferson University, Philadelphia, Pennsylvania, USA. |
| Lener SE | Jefferson Headache Center, 111 South 11th Street, Suite 8130, Philadelphia, PA 19107, USA. |
| Levin M | Department of Neurology, Jefferson Headache Center, Thomas Jefferson University Hospital, 111 South 11th Street, Gibbon Building, Suite #8130, Philadelphia, PA 19107, USA. |
| Lofland JH | Department of Health Policy (Drs Lofland, Gagne, and Pizzi), Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA 19107, USA. jennifer.lofland@jefferson.edu |
| Marcus DA | Pain Evaluation & Treatment Institute, 5750 Centre Avenue, Pittsburgh, PA 15206, USA. marcusd@upmc.edu |
| Rapoport AM | Merck Research Laboratories, UG 4C-18, PO Box 1000, North Wales, PA 19454-1099, USA. |
| Silberstein S | Thomas Jefferson University, Department of Neurology, Philadelphia, PA 19107, USA. |
| Young WB | Thomas Jefferson University, Philadelphia, Pennsylvania, USA. william.b.young@jefferson.edu |