Ivanovs, R. http://orcid.org/0000-0002-6021-3441
Kivite, A.
Ziedonis, D.
Mintale, I.
Vrublevska, J.
Rancans, E.
Article History
Received: 7 December 2017
Accepted: 28 February 2018
First Online: 6 March 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Riga Stradins University, Riga, Latvia (No. 8/ 18.06.2015.). The project was conducted in accordance with the Declaration of Helsinki and its subsequent amendments. All patients were enrolled after providing written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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