Authors: K L Jones; A S Adekola; D W Bardayan; J C Blackmon; K Y Chae; K A Chipps; J A Cizewski; L Erikson; C Harlin; R Hatarik; R Kapler; R L Kozub; J F Liang; R Livesay; Z Ma; B H Moazen; C D Nesaraja; F M Nunes; S D Pain; N P Patterson; D Shapira; J F Shriner; M S Smith; T P Swan; J S Thomas Journal: Nature Date: 2010-05-27 Impact factor: 49.962