1. Division of Epilepsy, Department of Neurology Mayo Clinic Rochester Minnesota USA
2. Epilepsy Center University Medical Center–University of Freiburg Freiburg Germany
3. Department of Neurology Stanford Neuroscience Health Center Palo Alto California USA
4. Department of Neurology, Geisel School of Medicine at Dartmouth Dartmouth‐Hitchcock Medical Center Hanover New Hampshire USA
5. Division of Epilepsy, Department of Neurology Thomas Jefferson University Philadelphia Pennsylvania USA