Authors: Simon Casassus; Gerrit van der Plas; M Sebastian Perez; William R F Dent; Ed Fomalont; Janis Hagelberg; Antonio Hales; Andrés Jordán; Dimitri Mawet; Francois Ménard; Al Wootten; David Wilner; A Meredith Hughes; Matthias R Schreiber; Julien H Girard; Barbara Ercolano; Hector Canovas; Pablo E Román; Vachail Salinas Journal: Nature Date: 2013-01-02 Impact factor: 49.962