,
Steiner, T. J.
Stovner, L. J.
Jensen, R.
Uluduz, D.
Katsarava, Z.
Article History
First Online: 2 December 2020
Competing interests
: All authors are Directors and Trustees of <i>Lifting The Burden</i>, a UK-registered non-governmental organization conducting the Global Campaign against Headache in official relations with the World Health Organization. TJS and LJS were Global Burden of Disease Study 2019 collaborators as GBD Experts on headache disorders.