Plym, Anna
Bower, Hannah
Fredriksson, Irma
Holmberg, Lars
Lambert, Paul C
Lambe, Mats
Article History
Received: 8 August 2017
Revised: 21 November 2017
Accepted: 21 November 2017
First Online: 23 January 2018
Change Date: 6 March 2018
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: ML owns Pfizer and AstraZeneca shares. All other authors declare no conflict of interest.