Koskela, Satu http://orcid.org/0000-0001-9258-9163
Ritari, Jarmo
Hyvärinen, Kati
Kwan, Tony http://orcid.org/0000-0001-8929-2334
Niittyvuopio, Riitta
Itälä-Remes, Maija
Pastinen, Tomi
Partanen, Jukka
Article History
Received: 16 November 2017
Accepted: 16 March 2018
First Online: 29 March 2018
Competing Interests
: The authors declare no competing interests.