1. National Institute of Diabetes and Digestive and Kidney Diseases 1 Stem Laboratory of Molecular Biology , , , Bethesda, MD 20892 , USA
2. National Institutes of Health 1 Stem Laboratory of Molecular Biology , , , Bethesda, MD 20892 , USA
3. MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus 2 , Cambridge CB2 0QH , UK
4. Institute of Bioengineering, School of Life Sciences and School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL) 3 , Lausanne CH-1015, Switzerland
5. Altos Labs, Cambridge Institute of Science 4 , Cambridge CB2 0AW, UK
6. Living Systems Institute, University of Exeter 5 , Stocker Road, Exeter EX4 4QD , UK