Vasilescu, Catalina
Isohanni, Pirjo
Palomäki, Maarit
Pihko, Helena
Suomalainen, Anu
Carroll, Christopher J
Article History
Received: 18 August 2016
Revised: 2 November 2016
Accepted: 22 November 2016
First Online: 21 December 2016
Competing interests
: The authors declare no conflict of interest.