Hamer, Mark http://orcid.org/0000-0002-8726-7992
Stamatakis, Emmanuel
Article History
Received: 23 October 2017
Revised: 27 March 2018
Accepted: 9 May 2018
First Online: 11 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.