Pehkonen, Henna
von Nandelstadh, Pernilla
Karhemo, Piia-Riitta
Lepikhova, Tatiana
Grenman, Reidar
Lehti, Kaisa
Monni, Outi
Article History
Received: 18 December 2015
Accepted: 30 March 2016
First Online: 14 April 2016
Competing interests
: The authors declare no competing financial interests.