Brandt, Thomas
Dieterich, Marianne
Funding for this research was provided by:
Gemeinnützige Hertie-Stiftung
Bundesministerium für Bildung und Forschung
Article History
Received: 5 February 2018
Revised: 28 February 2018
Accepted: 2 March 2018
First Online: 19 March 2018
Compliance with ethical standards
:
: None.
: An approval by an ethics committee was not applicable.