COPYRIGHT & RELATED RIGHTS Year 7 No. 2, May - Aug 2018, is an Quarterly publication edit by Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra (INRLGII), Calz. México-Xochimilco No. 289, Col. Arenal de Guadalupe, Delegación Tlalpan, C.P. 14389, Tel.(55)59991000, www.inr.gob.mx, indiscap@gmail.com. Responsable editor: Ph.D. Luis Javier Jara Quezada. Exclusive Copyright No. 04-2018-071810391500-203,ISSN PRINT EDITION 2007-6452 (Printed up Year 6, No. 3) delivered by INRLGII and available in http://ddt.inr.gob.mx/indiscap/. Last actualization responsable, Revista de Investigación en Discapacidad editorial committee M.Sc. Marco Antonio Núñez Gaona, Calz. México-Xochimilco No. 289, Col. Arenal de Guadalupe, Delegación Tlalpan, C.P. 14389, Mexico City. Last modification date June 14th 20