[1
]
Department of Neurology, Faculty of Health and Medical Sciences, Danish Headache Center,
Rigshospitalet Glostrup, University of Copenhagen, Copenhagen, Denmark.
[2
]
Functional Imaging Unit, Department of Clinical Physiology, Nuclear Medicine and PET,
Faculty of Health and Medical Sciences, Rigshospitalet, University of Copenhagen,
Copenhagen, Denmark.
[3
]
Department of Radiology, Faculty of Health and Medical Sciences, Rigshospitalet, University
of Copenhagen, Copenhagen, Denmark.
[4
]
Faculty of Health and Medical Science, Institute of Clinical Medicine, University
of Copenhagen, Copenhagen, Denmark.