[1] Penn State Univ, Milton S Hershey Med Ctr, Coll Med, Dept Neurol, Hershey, PA 17033 USA
[2] Qualis Hlth, Seattle, WA USA
[3] Amer Acad Neurol, Minneapolis, MN USA
[4] Univ Alabama Birmingham, Birmingham, AL USA
[5] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[6] Des Moines Univ, Des Moines, IA USA
[7] SUNY Upstate Med Ctr, Syracuse, NY USA
[8] Sutter Med Grp, Sacramento, CA USA
[9] Akron Childrens Hosp, NeuroDev Sci Ctr, Akron, OH USA