Reply to the letter: Headaches during/after SARS-CoV-2 infection/vaccination can be primary and secondary as well as acute and chronic, by Finsterer J and Mehri S

Affiliations

• ¹ Neurology Department, Aeginition Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
• ² Headache Unit, Neurology Department, Hospital Universitari Vall d'Hebron, Barcelona, Spain.
• ³ Headache and Neurological Pain Research Group, Department of Medicine, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain.
• ⁴ Neurophysiopathology Unit, DiBrain Department, Aldo Moro University, Bari, Italy.
• ⁵ Athens Naval Hospital, Athens, Greece.
• ⁶ Istanbul Faculty of Medicine, Department of Neurology, Istanbul University, Istanbul, Turkey.
• ⁷ Department of Neurology and Algology, NÖROM, Gazi University Ankara, Ankara, Turkey.
• ⁸ Department of Neurology, University Hospital Schleswig-Holstein, Lübeck, Germany.
• ⁹ Department of Neurology, Akershus University Hospital, Lørenskog, Norway.
• ¹⁰ NorHead, Norwegian Centre for Headache Research, Akershus University Hospital, Lørenskog, Norway.
• ¹¹ Department of General Practice, HELSAM, University of Oslo, Oslo, Norway.
• ¹² Department of Neurology and Stroke Unit, Konventhospital Barmherzige Brüder Linz, Linz, Austria.
• ¹³ Headache Medical Center Linz, Linz, Austria.
• ¹⁴ Grenoble Alpes University, Division of Neurology, CHU of Grenoble, Grenoble Institute of Neurosciences, Grenoble, France.
• ¹⁵ Centre Hospitalier Universitaire of Grenoble, Grenoble, France.
• ¹⁶ Department of Neurology, Landesklinikum Mistelbach-Gänserndorf, Mistelbach, Austria.
• ¹⁷ Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
• ¹⁸ Neurology Department, Clinica Universidad de Navarra, Pamplona, Spain.