Tanhuanpää, Pirjo
Suojala-Ahlfors, Terhi
Hartikainen, Merja
Funding for this research was provided by:
Opetus- ja Kulttuuriministeriö
Maiju ja Yrjö Rikalan Puutarhasäätiö
Article History
Received: 20 April 2018
Accepted: 11 September 2018
First Online: 25 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.