Bell, Jack S.
Spencer, Jonathan I.
Yates, Richard L.
DeLuca, Gabriele C.
Article History
Received: 9 October 2017
Revised: 27 December 2017
Accepted: 29 December 2017
First Online: 13 February 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: For this type of study formal consent is not required.