From the aHospital da Luz Headache Center, Neurology Department, Hospital da Luz and Center for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Lisboa, Portugal

bHospital da Luz Neurology Department, Hospital da Luz Lisboa and Laboratório de Farmacologia Clínica e Terapêutica and Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.

Received September 8, 2022, and accepted for publication, after revision September 14, 2022.

Conflicts of interest and sources of funding: none declared.

Reprints: Raquel Gil-Gouveia, MD, PhD, Hospital da Luz Headache Center, Neurology Department, Hospital da Luz and Center for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Lisboa, Portugal. E-mail: [email protected].