| Affiliation: | (1) Biology Department and Center for Developmental Biology, 24 Kincaid Hall, University of Washington, P.O. Box 351800, Seattle, WA 98195-1800, USA;(2) Friday Harbor Laboratories, University of Washington, 620 University Road, Friday Harbor, WA 98250-9299, USA;(3) Present address: Department of Biological Structure, University of Washington School of Medicine, P.O. Box 357420, Seattle, WA 98195-7420, USA;(4) Present address: Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724-5044, USA |
