1. Institute for Medical and Human Genetics; Charité-Universitätsmedizin Berlin; Berlin Germany
2. Berlin Brandenburg Center for Regenerative Therapies (BCRT); Charité-Universitätsmedizin Berlin; Berlin Germany
3. Zilkha Neurogenetic Institute; University of Southern California; Los Angeles California
4. Mouse Informatics group; Wellcome Trust Sanger Institute; Hinxton UK
5. Max Planck Institute for Molecular Genetics; Berlin Germany
6. Institute for Bioinformatics; Department of Mathematics and Computer Science; Freie Universität Berlin; Berlin Germany