Automatic De-identification of Medical Texts in Spanish: the MEDDOCAN Track, Corpus, Guidelines, Methods and Evaluation of Results. - Montserrat Marimon; Aitor Gonzalez-Agirre; Ander Intxaurrondo; Heidy Rodriguez; Jose Lopez Martin; Marta Villegas; Martin Krallinger (IberLEF@SEPLN, 2019)