The Norwegian University of Science and Technology invites applications for a PhD Candidate in Headache Research using National Registry Data. The position is part of the Norwegian Centre for Headache Research (NorHead) and focuses on evaluating the real-world effectiveness of anti-CGRP monoclonal antibodies in chronic migraine treatment. Using nationwide Norwegian registry data, the research will analyze treatment initiation, discontinuation, and reinitiation patterns to understand their impact on migraine medication use and patient outcomes. The project contributes to improving treatment strategies and healthcare decision-making for chronic migraine.