Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01GY1340)
Received: 1 March 2019
Accepted: 4 June 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: The DACAPO study was approved by the Ethics Committee of the University of Regensburg (file number: 13-101-0262) and (if required) additionally by the Ethics Committees of the participating hospitals.
: Not applicable.
: TB received honoraria for lectures from Xenios Company, Germany. All other authors declare that they have no competing interests.