Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Chemical and Systems Biology, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.|Department of Genetics, Stanford University, Stanford, California, United States of America.|Department of Bioengineering, Stanford University, Stanford, California, United States of America.