K.H Fischbeck -
Neurology Department, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, U.S.A
A.W Ritter -
Neurology Department, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, U.S.A
D.L Tirschwell -
Neurology Department, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, U.S.A
L.M Kunkel -
Genetics Division, Children's Hospital, Boston, United Kingdom
C.J Bertelson -
Genetics Division, Children's Hospital, Boston, United Kingdom
A.P Monaco -
Genetics Division, Children's Hospital, Boston, United Kingdom
J.F Hejtmancik -
Institute of Molecular Genetics, Baylor College of Medicine, Houston, Canada
C Boehm -
Pediatrics Department, Johns Hopkins University, Baltimore, United States
V Ionasescu -
Pediatrics Department, University of Iowa, United Kingdom
R Ionasescu -
Pediatrics Department, University of Iowa, United Kingdom
M Pericak-Vance -
Neurology Division, Duke University Medical Center, United Kingdom
R Kandt -
Neurology Division, Duke University Medical Center, United Kingdom
A.D Roses -
Neurology Division, Duke University Medical Center, United Kingdom