Bengtson, Stefan http://orcid.org/0000-0003-0206-5791
Rasmussen, Birger
Ivarsson, Magnus
Muhling, Janet http://orcid.org/0000-0003-1890-9119
Broman, Curt
Marone, Federica
Stampanoni, Marco
Bekker, Andrey
Article History
Received: 19 January 2017
Accepted: 15 March 2017
First Online: 24 April 2017
Competing interests
: The authors declare no competing financial interests.