Barcelo A, Gregg EW, Gerzoff RB, Wong R, Perez Flores E, Ramirez-Zea M, Cafiero E, Altamirano L, Ascencio Rivera M, de Cosio G, de Maza MD, del Aguila R, Emanuel E, Gil E, Gough E, Jenkins V, Orellana P, Palma R, Palomo R, Pastora M, Peña R, Pineda E, Rodriguez B, Tacsan L, Thompson L, Villagra L; CAMDI Collaborative Study Group.