Steiner, Timothy J.
Husøy, Andreas
Thomas, Hallie
Stovner, Lars Jacob
Article History
Received: 8 February 2023
Accepted: 21 February 2023
First Online: 6 March 2023
Declarations
:
: All studies contributing data to these databases have (or will have) the requisite ethics approvals, including use of the anonymised data to improve knowledge of the burden of headache and to inform policy.
: Not applicable.
: The authors declare no competing interests.