About the Authors

Johannes Salem

Contributed equally to this work with: Johannes Salem, Hendrik Borgmann

j.salem@gesru.de

Affiliation Department of Urology, University Hospital, Cologne, Germany

Hendrik Borgmann

Contributed equally to this work with: Johannes Salem, Hendrik Borgmann

Affiliation Department of Urology, University of Medicine, Mainz, Germany

Matthew Bultitude

Affiliation Stone Unit, Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom

Hans-Martin Fritsche

Affiliation Department of Urology, Caritas St Josef Hospital, University of Regensburg, Regensburg, Germany

Axel Haferkamp

Affiliation Department of Urology, University of Medicine, Mainz, Germany

Axel Heidenreich

Affiliation Department of Urology, University Hospital, Cologne, Germany

Arkadiusz Miernik

Affiliation Department of Urology, University Medical Center, Freiburg, Germany

Andreas Neisius

Affiliation Department of Urology, University of Medicine, Mainz, Germany

Thomas Knoll

Affiliation Department of Urology, Klinikum Sindelfingen-Böblingen, Sindelfingen, Germany

Christian Thomas

Affiliation Department of Urology, University of Medicine, Mainz, Germany

Igor Tsaur

Affiliation Department of Urology, University of Medicine, Mainz, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JS HB IT. Performed the experiments: JS HB IT. Analyzed the data: JS HB MB HMF A. Haferkamp A. Heidenreich AM AN TK CT IT. Contributed reagents/materials/analysis tools: JS HB IT. Wrote the paper: JS HB MB HMF A. Haferkamp A. Heidenreich AM AN TK CT IT.