[1] SS Annunziata Hospital of Chieti,Center of Excellence On Headache, Geriatrics and COVID
[2] Sant’ Andrea Hospital,19 Clinic
[3] Sapienza University,Internal Medicine and Emergency Medicine
[4] Dongtan Sacred Heart Hospital,Department of Neurology
[5] Hallym University College of Medicine,Headache and Neuropathic Pain Unit
[6] Massachusetts General Hospital,Headache Unit, Department of Neurology
[7] Harvard Medical School,Headache Group
[8] Hospital Clínico Universitario de Valladolid,Departement of Applied Clinical Sciences and Biotechnology
[9] Wolfson Center for Age Related Diseases,Department of Neurology
[10] Institute of Psychiatry,Department of Neurology
[11] Psychology and Neuroscience,Department of Psychosomatic Medicine and Psychotherapy
[12] King’s College London,undefined
[13] University of L’Aquila,undefined
[14] Charité Universitätsmedizin Berlin,undefined
[15] Ludwig Maximilians University,undefined
[16] German Migraine and Headache Society,undefined
[17] Technical University of Munich,undefined