Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council (BB/R000093/1, BB/P009042/1)
Novo Nordisk Fonden (NNF10CC1016517)
Received: 23 April 2019
Accepted: 31 July 2019
First Online: 22 August 2019
Ethics approval and consent to participate
: No ethics approval was required for this work.
: Consent to publish beyond that of the authors was not applicable.
: The authors declare that they have no competing interests.