1. Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, Brazil
2. Department of Pathology, Barretos Cancer Hospital, Barretos, Brazil
3. Department of Biostatistics, Barretos Cancer Hospital, Barretos, Brazil
4. SMW Consultants Ltd, Kaarina, Finland
5. Department of Clinical Research, Biohit Oyj, Helsinki, Finland
6. Life and Health Sciences Research Institute (ICVS), Medical School, University of Minho, Braga, Portugal
7. 3ICVS/3B’s-PT Government Associate Laboratory, Braga, Portugal
8. Department of Endoscopy, Barretos Cancer Hospital, Barretos, Brazil