Hernández Vera, Rodrigo http://orcid.org/0000-0002-4241-2113
O’Callaghan, Paul http://orcid.org/0000-0003-3117-5367
Fatsis-Kavalopoulos, Nikos http://orcid.org/0000-0002-5081-0138
Kreuger, Johan http://orcid.org/0000-0002-2055-7776
Article History
Received: 24 January 2019
Accepted: 17 July 2019
First Online: 5 August 2019
Competing Interests
: R.H.V., P.O.C., N.K. and J.K. declare no competing financial or non-financial interests. Gradientech A.B. provided support in the form of salaries for the author N.F.K., but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.