1. Department of Cell and Tissue Biology, University of California, San Francisco, San Francisco, CA 94143, USA
2. Berlin Institute for Medical Systems Biology, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
3. Institute of Molecular and Clinical Ophthalmology Basel, Basel, Switzerland
4. Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
5. IRI Life Sciences, Institut für Biologie, Humboldt Universität zu Berlin, Philippstraße 13, 10115 Berlin, Germany
6. Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA