[1
]
Geisel School of Medicine at Dartmouth, Hanover, NH, USA. Electronic address: stewart.j.tepper@dartmouth.edu.
[2
]
Department of Neurology, Danish Headache Center, Rigshospitalet Glostrup, University
of Copenhagen, Copenhagen, Denmark.
[3
]
Department of Neurology, Charité Universitätsmedizin Berlin, Berlin, Germany.
[4
]
Nashville Neuroscience Group and Vanderbilt University Department of Neurology, Nashville,
TN, USA.
[5
]
DADO MEDICAL sro, Prague Headache Center, Prague, Czech Republic.
[6
]
Jefferson Headache Center, Thomas Jefferson University, Philadelphia, PA, USA.
[7
]
Premiere Research Institute, Nova Southeastern University, West Palm Beach, FL, USA.
[8
]
Global Biostatistical Science, Amgen Inc, Thousand Oaks, CA, USA.
[9
]
Global Development, Amgen Inc, Thousand Oaks, CA, USA.