About the Author

Dagny Holle-Lee

PD Dr. med. Dagny Holle-Lee is a certified DMKG headache expert and, as a senior physician, heads the Headache and Dizziness Center at the Department of Neurology at UK Essen, where more than 12,000 patients with dizziness have already been treated. She is listed among the top 30 worldwide headache experts.