1. Pathology Department CDB Hospital Clínic de Barcelona Barcelona Spain
2. ISGlobal Hospital Clínic de BarcelonaUniversitat de Barcelona Barcelona Spain
3. Biochemistry and Molecular Genetics Department Core Laboratory CDB Hospital Clínic de Barcelona Barcelona Spain
4. Gastroenterology Department ICMDM Hospital Clínic de Barcelona Barcelona Spain
5. Oncology Department ICMHO Hospital Clínic de Barcelona Barcelona Spain