Moore, Simon J.
Sowa, Sven T.
Schuchardt, Christopher
Deery, Evelyne
Lawrence, Andrew D.
Ramos, José Vazquez
Billig, Susan
Birkemeyer, Claudia
Chivers, Peter T.
Howard, Mark J.
Rigby, Stephen E. J.
Layer, Gunhild
Warren, Martin J.
Article History
Received: 22 September 2016
Accepted: 25 January 2017
First Online: 22 February 2017
Change Date: 1 March 2017
Change Type: Correction
Change Details: In Fig. 1a, a missing bond was added to ring F.
Competing interests
: The authors declare no competing financial interests.