Gale, Robert Peter http://orcid.org/0000-0002-9156-1676
Ruiz-Argüelles, Guillermo J. http://orcid.org/0000-0002-9335-0653
Article History
Received: 24 October 2017
Revised: 27 October 2017
Accepted: 9 January 2018
First Online: 23 February 2018
Compliance with ethical standards
:
: None.