About the Authors

Pawel Gaj

Affiliation Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland

Natalia Maryan

Affiliation Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland

Ewa E. Hennig

Affiliations Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland, Department of Oncological Genetics, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Joanna K. Ledwon

Affiliation Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland

Agnieszka Paziewska

Affiliation Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland

Aneta Majewska

Affiliation Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland

Jakub Karczmarski

Affiliation Department of Oncological Genetics, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Monika Nesteruk

Affiliation Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland

Jan Wolski

Affiliation Department of Urology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Artur A. Antoniewicz

Affiliation Department of Urology, Medical Center for Postgraduate Education, Warsaw, Poland

Krzysztof Przytulski

Affiliations Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland, Department of Oncological Genetics, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Andrzej Rutkowski

Affiliation Department of Colorectal Cancer, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Alexander Teumer

Affiliation Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, Greifswald, Germany

Georg Homuth

Affiliation Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, Greifswald, Germany

Teresa Starzyńska

Affiliation Department of Gastroenterology, Pomeranian Medical University, Szczecin, Poland

Jaroslaw Regula

Affiliations Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland, Department of Oncological Genetics, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Jerzy Ostrowski

jostrow@warman.com.pl

Affiliations Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, Warsaw, Poland, Department of Oncological Genetics, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JO EEH PG. Performed the experiments: PG NM JKL AP AM JK MN. Analyzed the data: PG AT GH. Contributed reagents/materials/analysis tools: JW AAA KP AR TS JR. Wrote the paper: JO PG EEH.