Piili, Reetta P. http://orcid.org/0000-0001-6727-3773
Metsänoja, Riina
Hinkka, Heikki
Kellokumpu-Lehtinen, Pirkko-Liisa I.
Lehto, Juho T.
Funding for this research was provided by:
the Seppo Nieminen Legacy Fund
the Signe and Ane Gyllenberg Foundation
the Finnish Medical Association
the Cancer Society of Pirkanmaa
Article History
Received: 7 November 2017
Accepted: 16 May 2018
First Online: 30 May 2018
Ethics approval and consent to participate
: The study was approved by the Regional Ethics Committee of Tampere University Hospital, Finland (R15101) and participation was voluntary and anonymous.
: The authors declare that they have no competing interests.
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