Cederbaum, Carla http://orcid.org/0000-0002-3969-4850
Jahns, Sophia http://orcid.org/0000-0002-4054-6361
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (ZUK 63)
Article History
Received: 29 March 2019
Accepted: 13 June 2019
First Online: 26 June 2019
Change Date: 20 November 2019
Change Type: Correction
Change Details: The proof of TheoremĀ 10 can be considerably simplified, as was pointed out to us by Gregory J.