Mogensen, Hanna
Modig, Karin
Tettamanti, Giorgio
Talbäck, Mats
Feychting, Maria
Article History
Received: 13 July 2015
Revised: 30 November 2015
Accepted: 1 December 2015
First Online: 5 January 2016
Competing interests
: The authors declare no conflict of interest.