Name	Location	Contribution
Florian Volz, MD	Department of Neurosurgery, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; major role in the acquisition of data; study concept or design; analysis or interpretation of data
Katharina Wolf, MD	Department of Neurosurgery, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; major role in the acquisition of data; study concept or design; analysis or interpretation of data
Christian Fung, MD	Department of Neurosurgery, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Ian Carroll, MD	Stanford CSF Leak Headache Program, Stanford Headache Clinic, Stanford School of Medicine, CA	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Claas Lahmann, MD	Department of Psychosomatic Medicine and Psychotherapy, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Niklas Lützen, MD	Department of Neuroradiology, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Horst Urbach, MD	Department of Neuroradiology, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; analysis or interpretation of data
Jan-Helge Klingler, MD	Department of Neurosurgery, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; study concept or design; analysis or interpretation of data
Jürgen Beck, MD	Department of Neurosurgery, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; major role in the acquisition of data; study concept or design; analysis or interpretation of data
Amir El Rahal, MD	Department of Neurosurgery, Medical Center - University of Freiburg, Germany	Drafting/revision of the manuscript for content, including medical writing for content; major role in the acquisition of data; study concept or design; analysis or interpretation of data