1 Department of Human Genetics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands.
2 Division of Genetics, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA.
3 Institute for Information Transmission Problems of the Russian Academy of Sciences (Kharkevich Institute), Moscow, Russia.
4 Inova Translational Medicine Institute (ITMI), Inova Health Systems, Falls Church, VA, USA.
5 Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
6 Genomics Coordination Center, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
7 Department of Pediatrics, Inova Children's Hospital, Inova Health System, Falls Church, VA, USA.
8 Department of Pediatrics, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.
9 Department of Human Genetics, Donders Centre for Neuroscience, Radboud University Medical Center, Nijmegen, the Netherlands.
10 Institute of Genetic Medicine, International Centre for Life, Newcastle University, Newcastle upon Tyne, UK.
11 Department of Human Genetics, Donders Centre for Neuroscience, Radboud University Medical Center, Nijmegen, the Netherlands. christian.gilissen@radboudumc.nl.
12 Inova Translational Medicine Institute (ITMI), Inova Health Systems, Falls Church, VA, USA. john.niederhuber@inova.org.
13 Johns Hopkins University School of Medicine, Baltimore, MD, USA. john.niederhuber@inova.org.