It has just published the call of the Mentor program for the 2nd semester of the course 2018/19. Students wishing to participate in this program must apply until the day 14 in December of 2018 entering in
http://relint.uva.es/otrosProgramas/mentor/convocatoria.asp
You can also consult it on the Bulletin Board of the electronic venue at the University of Valladolid:
https://sede.uva.es/opencms/opencms/es/Tablones/Tablon_de_Anuncios/RELACIONES_INTERNACIONALES/
Selected students “mentorizarán” foreign students they will support for three to four months. To change, Once they are made properly its activity, they will get two free credits and report will be issued.