Affiliation: | (1) Department of Developmental Biology, Howard Hughes Medical Institute, Stanford University, 94305 Stanford, CA, USA;(2) Department of Biochemistry, Howard Hughes Medical Institute, Stanford University, 94305 Stanford, CA, USA;(3) Children's Hospital, San Diego, USA;(4) Netherlands Cancer Institute, Amsterdam, The Netherlands;(5) Dept of Pathology, Stanford University, CA, USA |