Movement Disorders in Childhood SINGER, HARVEY S. (PROFESSOR EMERITUS, JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE, DEPARTMENT OF NEUROLOGY, AND THE KENNEDY KRIEGER INSTITUTE, BALTIMORE, MD, UNITED STATES),MINK, JONATHAN W. (FREDERICK A. HORNER, MD DISTINGUISHED PROFESSOR IN PEDIATRIC NEUROLOGY, UNIVERSITY OF ROCHESTER MEDICAL CENTER, DEPARTMENT OF NEUROLOGY, DIVISION OF CHILD NEUROLOGY, ROCHESTER, NY, UNITED STATES),GILBERT, DONALD L. (DIVISION OF NEUROLOGY, CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER; DEPARTMENT OF PEDIATRICS, UNIVERSITY OF CINCINNATI; CINCINNATI, OH, UNITED STATES),JANKOVIC, JOSEPH (PARKINSON'S DISEASE CENTER AND MOVEMENT DISORDERS CLINIC, DEPARTMENT OF NEUROLOGY, BAYLOR COLLEGE OF MEDICINE, HOUSTON, TX, UNITED STATES)