Kaakinen, Marika
Mägi, Reedik
Fischer, Krista
Heikkinen, Jani
Järvelin, Marjo-Riitta
Morris, Andrew P
Prokopenko, Inga
Article History
Received: 5 August 2016
Revised: 17 February 2017
Accepted: 28 March 2017
First Online: 24 May 2017
Competing interests
: The authors declare no conflict of interest.