[1] Univ Andres Bello, Fac Ciencias Sociales, Santiago, Chile
[2] Univ Santo Tomas, Fac Ciencias Sociales & Comunicac, Concepcion, Chile
[3] Univ Metropolitana, Barranquilla, Colombia
[4] Corp Univ Rafael Nunez, Cartagena De Indias, Colombia
[5] Univ Evangel Salvador, Ctr Invest Salud & Soc, San Salvador, El Salvador
[6] Univ Cartagena, Cartagena De Indias, Colombia
[7] Univ Nacl Pedro Henriquez Urena, Santo Domingo, Dominican Rep
[8] Univ Cent Este, San Pedro De Macoris, Dominican Rep
[9] Univ Catolica Cordoba, Cordoba, Argentina
[10] Univ Norbert Wiener, Lima, Peru
[11] Univ Bernardo OHiggins, Santiago, Chile
[12] Univ Norte, Barranquilla, Colombia