1. Medical College of Virginia of Virginia Commonwealth University, Richmond, Virginia;
2. Children's Hospital Medical Center, Cincinnati, Ohio;
3. University of Alabama at Birmingham, Huntsville, Alabama;
4. University of Virginia, Charlottesville, Virginia;
5. The Minnesota Epilepsy Group, Saint Paul, Minnesota;
6. UCB S.A. Pharma Sector, Chemin du Foriest, Braine‐L'Alleud, Belgium; and
7. University of California at Los Angeles Medical Center, Los Angeles, California, U.S.A.