Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (PF3313/2-1, HA 6905/2-1, LA 919/6-1)
Bundesministerium für Wirtschaft und Technologie (KF2429610MS2)
Centre National de la Recherche Scientifique
Received: 12 December 2017
Accepted: 16 April 2018
First Online: 24 April 2018
Ethics approval and consent to participate
: The re-analysis of TCGA samples is a retrospective case report that does not require ethics committee approval at our institution.
: All data used in this study was obtained from The Cancer Genome Atlas research network which originally required written informed consent from all participants.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.