Achío, Mayra; Vries De, Henny; García Santamaría, Cathalina; Gómez, Miguel; Gross, Socorro; Lindeboom, Wietze; Rosero-Bixby, Luis; Ramírez, Helena; Gómez, Víctor; Grummer Strawn, Larry; Morris, Leo; Stupp, Paul
(Caja Costarricense de Seguro Social, 1994)