Authors: Gabriel Bedoya; Patricia Montoya; Jenny García; Ivan Soto; Stephane Bourgeois; Luis Carvajal; Damian Labuda; Victor Alvarez; Jorge Ospina; Philip W Hedrick; Andrés Ruiz-Linares Journal: Proc Natl Acad Sci U S A Date: 2006-04-28 Impact factor: 11.205