Authors: Christine Pfund; Sarah Miller; Kerry Brenner; Peter Bruns; Amy Chang; Diane Ebert-May; Adam P Fagen; Jim Gentile; Sandra Gossens; Ishrat M Khan; Jay B Labov; Christine Maidl Pribbenow; Millard Susman; Lillian Tong; Robin Wright; Robert T Yuan; William B Wood; Jo Handelsman Journal: Science Date: 2009-04-24 Impact factor: 47.728