Funding for this research was provided by:
Interreg (094 -1.1-18)
Received: 9 August 2019
Accepted: 21 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: The study has been approved by the ethics committee of the University of Lübeck (reference number: AZ 18–360). The study is conducted in accordance with the principles laid out in the Declaration of Helsinki and in accordance with the principles of Good Clinical Practice. Patients are included after giving written informed consent.
: Not applicable.
: D.R. and S.J. are associate editors of BMC Cancer. Otherwise, the authors declare that they have no competing interests related to the study presented here.