Text and Data Mining valid from 2018-12-17
Received: 11 October 2018
Revised: 5 December 2018
Accepted: 8 December 2018
First Online: 17 December 2018
Compliance with ethical standards
: MS, SM, JP, TT (Tiina Tyni), AMU, SR, EP, JH, LK, TT (Turgut Tatlisumak): none.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.