Affiliation: | 1. McCasland Family Comprehensive Headache Center, Ochsner Neuroscience Institute, Ochsner Clinic Foundation, New Orleans, LA, USA;2. Center for Outcomes and Health Services Research, Ochsner Clinic Foundation, New Orleans, LA, USA;3. McCasland Family Comprehensive Headache Center, Ochsner Neuroscience Institute, Ochsner Clinic Foundation, New Orleans, LA, USA The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, LA, USA |