Affiliations

• ¹ From the Department of Anesthesiology, Perioperative, and Pain Medicine (I.R.C.) and Stanford CSF Leak Headache Program (I.R.C.), Stanford Headache Clinic, Stanford School of Medicine, CA; and Departments of Neurology and Ophthalmology (D.I.F.), University of Texas Southwestern Medical Center, Dallas. ic38@stanford.edu.
• ² From the Department of Anesthesiology, Perioperative, and Pain Medicine (I.R.C.) and Stanford CSF Leak Headache Program (I.R.C.), Stanford Headache Clinic, Stanford School of Medicine, CA; and Departments of Neurology and Ophthalmology (D.I.F.), University of Texas Southwestern Medical Center, Dallas.