Funding for this research was provided by:
Staatssekretariat für Bildung, Forschung und Innovation (15.0137)
Horizon 2020 (634238)
Received: 19 June 2019
Accepted: 28 February 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: This study received ethical approval from the following ethics committees: UnorderedList removedWritten consent was obtained from patients and written consent was obtained from a patient’s next-of-kin for patients with cognitive impairment.
: Not applicable.
: The author(s) declare that they have no competing interests.