Mirzaeva, Lyudmilla
Gilhus, Nils Erik
Lobzin, Sergey
Rekand, Tiina http://orcid.org/0000-0002-2506-9501
Article History
Received: 25 June 2018
Revised: 21 February 2019
Accepted: 21 February 2019
First Online: 6 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Research Ethics Committee of the North-Western State Medical University, named after I.I. Mechnikov, Saint Petersburg, Russia (No 10/date 09.11.2016).