Authors: Bernd Zetsche; Jonathan S Gootenberg; Omar O Abudayyeh; Ian M Slaymaker; Kira S Makarova; Patrick Essletzbichler; Sara E Volz; Julia Joung; John van der Oost; Aviv Regev; Eugene V Koonin; Feng Zhang Journal: Cell Date: 2015-09-25 Impact factor: 41.582