Institution: | (1) Genetics Division, Children's Hospital, 300 Longwood Ave.;(2) Department of Pediatrics, Harvard Medical School, 02115 Boston, MA, USA;(3) Molecular Neurogenetics Laboratory, McLean Hospital and Department of Genetics, Harvard Medical School, Boston, MA;(4) Theodor-Boveri-Institut für Biowissenschaften, Physiologische Chemie I, Würzburg, Germany |