Addendum: Long-term Treatment Benefits and Prolonged Efficacy of OnabotulinumtoxinA in Patients Affected by Chronic Migraine and Medication Overuse Headache over 3 Years of Therapy

• Simona Guerzoni,
• Lanfranco Pellesi,
• Carlo Baraldi,
• Michela Maria Cainazzo,
• Andrea Negro,
• Paolo Martelletti,
• Luigi Alberto Pini,
• Luigi Alberto Pini

Affiliations

Simona Guerzoni

Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy

Lanfranco Pellesi

Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy

Carlo Baraldi

Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy

Michela Maria Cainazzo

Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy

Andrea Negro

Regional Referral Headache Centre, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy

Paolo Martelletti

Regional Referral Headache Centre, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy

Luigi Alberto Pini

Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy

Luigi Alberto Pini

Center for Neuroscience and Neurotechnology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena e Reggio Emilia, Modena, Italy