- Goadsby, Peter;
- Sanderson, JC;
- Devine, EB;
- Lipton, RB;
- Bloudek, LM;
- Varon, SF;
- Blumenfeld, AM;
- Goadsby, PJ;
- Buse, DC;
- Sullivan, SD
Objective: To describe headache-related health resource usage in chronic and episodic migraine across six countries. Methods: A web-based questionnaire eliciting data on several topics, including health resource usage, was administered to panellists with m
