Moderator: Dr. Rolf Fronczek (Leiden, Netherlands), Dr. Theodoros Mavridis (Athens, Greece)
Guest: Prof. Stefan Evers (Münster, Germany)
Prof. Stefan Evers (Münster, Germany) joins moderators Dr. Rolf Fronczek (Leiden, Netherlands) and Dr. Theodoros Mavridis (Athens, Greece) in a thorough discussion on medication-overuse headache.