** Latin American Journal of Clinical Sciences and Medical Technology is an open access magazine. To read all published articles and materials you just need to register Registration is free of charge. Register now If you already have registered please Log In ** Nora Sobrevilla Moreno a; Iván Calvo b; Salvador Gutiérrez Torres c; Galileo González Conchas a; José Alberto Caballero Vega a; Miguel Ángel Álvarez Avitia a; Anna Scavuzzo b; Miguel Ángel Jiménez Ríos b; Gabriela Alamilla García a; Josette Rosana