Jönsson, Anna K.
Schill, Johan
Olsson, Hans
Spigset, Olav
Hägg, Staffan http://orcid.org/0000-0002-5137-8420
Article History
First Online: 8 February 2018
Compliance with ethical standards
:
: Anna K Jönsson, Johan Schill, Hans Olsson, Olav Spigset and Staffan Hägg have no conflicts of interest relevant to the content of this article.