[1] NICHHD, Genet & Teratol Branch, Rockville, MD 20852 USA
[2] NCI, Canc Genom Off, Bethesda, MD 20892 USA
[3] Natl Lib Med, Natl Ctr Biotechnol Informat, Bethesda, MD 20894 USA
[4] Washington Univ, Sch Med, Genome Sequencing Ctr, St Louis, MO 63130 USA
[5] US DOE, Joint Genome Inst, Walnut Creek, CA USA