About the Authors

Jennie Ong

Affiliation Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands

Jody Salomon

Affiliation Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands

Rene H. M. te Morsche

Affiliation Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands

Hennie M. J. Roelofs

Affiliation Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands

Ben J. M. Witteman

Affiliation Department of Gastroenterology, Hospital Gelderse Vallei, Ede, the Netherlands

Polat Dura

Affiliation Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands

Martin Lacko

Affiliation Department of Otorhinolaryngology, Head and Neck Surgery, Maastricht University Medical Center, Maastricht, the Netherlands

Wilbert H. M. Peters

w.peters@mdl.umcn.nl

Affiliation Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JO JS RHMTM HMJR PD WHMP. Performed the experiments: JO JS RHMTM HMJR. Analyzed the data: JO JS RHMTM HMJR WHMP. Contributed reagents/materials/analysis tools: JO JS RHMTM HMJR BJMW PD ML. Wrote the paper: JO JS RHMTM HMJR BJMW PD ML WHMP.