Kaartokallio, Tea
Wang, Jingwen
Heinonen, Seppo
Kajantie, Eero
Kivinen, Katja
Pouta, Anneli
Gerdhem, Paul
Jiao, Hong
Kere, Juha
Laivuori, Hannele
Article History
Received: 17 February 2016
Accepted: 14 June 2016
First Online: 7 July 2016
Competing interests
: The authors declare no competing financial interests.