Ludolphy, Catharina
Kahle, Patricia
Kierdorf, Horst
Kierdorf, Uwe https://orcid.org/0000-0003-0531-2460
Funding for this research was provided by:
Volkswagen Foundation (Az.89911)
Article History
Received: 15 December 2017
Accepted: 23 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: This study was conducted in accordance with all relevant institutional, national and international guidelines.
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