1. Department of Oral Pathology and Medicine Faculty of Dentistry University of Chile Santiago Chile
2. Department of Hematology‐Oncology Faculty of Medicine Pontificia Universidad Católica de Chile Santiago Chile
3. Department of Odonto‐Stomatology Faculty of Medicine and Health Sciences University of Barcelona Barcelona Spain
4. Department of Pathology and Experimental Therapy ‐ Bellvitge Faculty of Medicine and Health Sciences University of Barcelona Barcelona Spain