1. Mid‐Atlantic Epilepsy and Sleep Center Bethesda Maryland U.S.A
2. UCB Pharma Raleigh North Carolina U.S.A
3. Thomas Jefferson University Philadelphia Pennsylvania U.S.A
4. Bethel Epilepsy Centre Mara Hospital Bielefeld Germany
5. University of Melbourne and Royal Melbourne Hospital Parkville Victoria Australia
6. Chinese University of Hong Kong Hong Kong Hong Kong SAR China