Funding for this research was provided by:
Swiss State Secretariat for Education, Research and Innovation
Swiss Foundation for Clinical Cancer Research
research committee of St Gallen Cantonal Hospital (MFZ_2015_07)
Merck KGaA, Darmstadt, Germany
Text and Data Mining valid from 2019-09-11
Received: 23 July 2019
Accepted: 28 August 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: This study was approved by the responsible ethics committees (St. Gallen, Bern, Zurich, Switzerland; EKSG 14/139/L).
: Not applicable.
: The authors declare that they have no competing interests.