Kaplon-Schilis, Aleksandra http://orcid.org/0000-0001-5706-7220
Lyublinskaya, Irina http://orcid.org/0000-0002-2143-5076
Article History
First Online: 23 April 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: 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. For this type of study formal consent is not required.