Correction to: Palgrave Communications (2017) 3, Article number: 16103. doi: 10.1057/palcomms.2016.103; Published 10 January 2017; Updated 19 January 2017
Previously the volume number given for the citation in the Additional Information section of this paper was incorrectly given as volume 2. This has now been corrected to volume 3. The year given in the Additional Information section was incorrectly given as 2016. This has now been corrected to 2017.
The article has been corrected online.