About the Authors

Ward De Spiegelaere

Ward.DeSpiegelaere@UGent.be

Affiliation Ghent University, Department of Internal Medicine, Ghent, Belgium

Jutta Dern-Wieloch

Affiliation Justus-Liebig-University, Department of Veterinary Anatomy, Histology and Embryology, Giessen, Germany

Roswitha Weigel

Affiliation Justus-Liebig-University, Department of Veterinary Anatomy, Histology and Embryology, Giessen, Germany

Valérie Schumacher

Affiliation Harvard Medical School, Department of Pediatrics, Boston, Massachusetts, United States of America

Hubert Schorle

Affiliation University of Bonn Medical School, Department of Developmental Pathology, Bonn, Germany

Daniel Nettersheim

Affiliation University of Bonn Medical School, Department of Developmental Pathology, Bonn, Germany

Martin Bergmann

Affiliation Justus-Liebig-University, Department of Veterinary Anatomy, Histology and Embryology, Giessen, Germany

Ralph Brehm

Affiliation University of Veterinary Medicine Hannover, Institute of Anatomy, Hannover, Germany

Sabine Kliesch

Affiliation University of Münster, Center of Andrology and Reproductive Medicine, Münster, Germany

Linos Vandekerckhove

Affiliation Ghent University, Department of Internal Medicine, Ghent, Belgium

Cornelia Fink

Affiliation Justus-Liebig-University, Department of Veterinary Anatomy, Histology and Embryology, Giessen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WDS CF. Performed the experiments: JDW RW. Analyzed the data: WDS JDW RW. Contributed reagents/materials/analysis tools: VS HS DN MB SK. Wrote the paper: WDS CF RB LV.