About the Authors

Thomas Karlas

Contributed equally to this work with: Thomas Karlas, Marie Neuschulz

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany

Marie Neuschulz

Contributed equally to this work with: Thomas Karlas, Marie Neuschulz

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany

Annett Oltmanns

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Division of Pulmonary Medicine, Leipzig, Germany

Andrea Güttler

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Division of Pulmonary Medicine, Leipzig, Germany

David Petroff

Affiliation University of Leipzig, Coordination Center for Clinical Trials, Leipzig, Germany

Hubert Wirtz

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Division of Pulmonary Medicine, Leipzig, Germany

Jochen G. Mainz

Affiliation University Hospital Jena, Department of Pediatrics, Jena, Germany

Joachim Mössner

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany

Thomas Berg

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany

Michael Tröltzsch

Affiliations University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany, University Hospital Leipzig, Interdisciplinary Ultrasound Unit, Leipzig, Germany

Volker Keim

Affiliations University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany, University Hospital Leipzig, Interdisciplinary Ultrasound Unit, Leipzig, Germany

Johannes Wiegand

johannes.wiegand@medizin.uni-leipzig.de

Affiliation University Hospital Leipzig, Department of Internal Medicine, Dermatology and Neurology, Medical Clinic for Gastroenterology and Rheumatology, Leipzig, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TK MN AO AG HW JGM JM TB MT VK JW. Performed the experiments: TK MN AO AG MT VK JW. Analyzed the data: TK MN AO AG DP HW JGM JM TB MT VK JW. Contributed reagents/materials/analysis tools: TK AO AG HW JGM JM TB VK JW. Wrote the paper: TK MN DP JGM JM TB VK JW. Revision of manuscript: TK MN AO AG DP HW JGM JM TB MT VK JW.