The unmet needs in management, the treatment gap and the burden of migraine in Greece: a Delphi consensus and focus group study from patients' perspective.

Introduction: Migraine is a chronic, debilitating neurological disease affecting more than 1 billion patients, worldwide. Even though migraines are not life-threatening, they have profound effects on individuals, families, and society.

Objective: The aim of this study was to describe patients' perspectives on socioeconomic and humanistic burden of migraine, as well as the unmet medical needs in the clinical management of migraine, in Greece.