1. Department of Molecular and Functional Genomics Latvian Biomedical Research and Study Centre Riga Latvia
2. Oncology clinic Pauls Stradins Clinical University Hospital Riga Latvia
3. Institute of Pathology Pauls Stradins Clinical University Hospital Riga Latvia
4. Department of Pathology Riga Stradins University Latvia
5. Ramón y Cajal Health Research Institute (IRYCIS) Ramón y Cajal University Hospital. Ctra. Colmenar Viejo, CIBERONC Madrid Spain
6. Department of Pathology Ramón y Cajal University Hospital. Ctra Colmenar Viejo Madrid Spain
7. Centre of Gastroenterology, Hepatology and Nutrition Therapy Pauls Stradins Clinical University Hospital Riga Latvia