Authors: L G Spitler; P Scholz; J W T Hessels; S Bogdanov; A Brazier; F Camilo; S Chatterjee; J M Cordes; F Crawford; J Deneva; R D Ferdman; P C C Freire; V M Kaspi; P Lazarus; R Lynch; E C Madsen; M A McLaughlin; C Patel; S M Ransom; A Seymour; I H Stairs; B W Stappers; J van Leeuwen; W W Zhu Journal: Nature Date: 2016-03-02 Impact factor: 49.962