Authors: Sajad Hussain Syed; Damien Goutte-Gattat; Nils Becker; Sam Meyer; Manu Shubhdarshan Shukla; Jeffrey J Hayes; Ralf Everaers; Dimitar Angelov; Jan Bednar; Stefan Dimitrov Journal: Proc Natl Acad Sci U S A Date: 2010-05-10 Impact factor: 11.205