Received: 25 January 2019
Accepted: 23 September 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: The study was approved and registered by the bavarian medical council (BLAEK: 7/11192) and the local ethics committee of munich university (Reg. No. 234–16). Consent to participate was obtained by a letter to the patient / a designated proxy (depending on their mental status), which contained information about their diagnosis, the following treatment and data collection.
: Not applicable.
: The authors declare that they have no competing interests.