CME ARTICLEThe Patient With Chronic Headache Part 1—Historical Notes And ClassificationsFrost, Elizabeth A. M. MDAuthor Information Dr. Frost is Professor of Anesthesiology, Icahn School of Medicine at Mount Sinai, Mount Sinai Medical Center, KCC 8th Floor, One Gustave L. Levy Place, Box 1010, New York, NY 10029; E-mail: [email protected]. The author and all staff in a position to control the content of this CME activity have disclosed that they and their spouses/life partners (if any) have no financial relationships with, or financial interests in, any commercial companies pertaining to this educational activity. Lippincott Continuing Medical Education Institute, Inc., is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. Lippincott Continuing Medical Education Institute, Inc., designates this enduring material for a maximum of 1.5 AMA PRA Category 1 Credits™. Physicians should only claim credit commensurate with the extent of their participation in the activity. To earn CME credit, you must read the CME article and complete the quiz and evaluation assessment survey on the enclosed form, answering at least 70% of the quiz questions correctly. This activity expires on December 31, 2016. Topics in Pain Management: December 2015 - Volume 31 - Issue 5 - p 1-8 doi: 10.1097/01.TPM.0000475397.90274.4c Buy Take the CME Test Metrics Copyright © 2015 Wolters Kluwer Health, Inc. All rights reserved.