Cohort profile: COpenhagen ROsacea COhort (COROCO) and COpenhagen MIgraine COhort (COMICO)
Nita Katarina Frifelt Wienholtz, Casper Emil Christensen, Jeanette Halskou Haugaard, Ditte Georgina Zhang, Messoud Ashina, Jacob Pontoppidan Thyssen, Alexander Egeberg
BMJ Open Aug 2020, 10 (8) e039445; DOI: 10.1136/bmjopen-2020-039445