Authors: Stephen Perz; Silvia Brilhante; Foster Brown; Marcellus Caldas; Santos Ikeda; Elsa Mendoza; Christine Overdevest; Vera Reis; Juan Fernando Reyes; Daniel Rojas; Marianne Schmink; Carlos Souza; Robert Walker Journal: Philos Trans R Soc Lond B Biol Sci Date: 2008-05-27 Impact factor: 6.237