Ekman, Urban http://orcid.org/0000-0003-3926-8656
Ferreira, Daniel http://orcid.org/0000-0001-9522-4338
Westman, Eric http://orcid.org/0000-0002-3115-2977
Article History
Received: 23 February 2018
Accepted: 3 May 2018
First Online: 30 May 2018
Competing Interests
: The authors declare no competing interests.