Funding for this research was provided by:
European Regional Development Fund (A72814)
South Savo Regional Council
Savonlinna Business Services Ltd.
Savonlinna Municipality
Article History
Received: 15 November 2017
Accepted: 25 June 2018
First Online: 28 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.