Isajevs, Sergejs https://orcid.org/0000-0001-7159-0464
Savcenko, Selga
Liepniece-Karele, Inta
Piazuelo, Maria Blanca
Kikuste, Ilze
Tolmanis, Ivars
Vanags, Aigars
Gulbe, Indra
Mezmale, Linda
Samentaev, Darhan
Tazedinov, Altynbek
Samsutdinov, Ramis
Belihina, Tatjana
Igissinov, Nurbek
Leja, Marcis
Funding for this research was provided by:
Latvijas Universitate (6012-A53/65)
State Education Development Agency Republic of Latvia (1.1.1.1/18/A/184)
Ministry of Education and Science of the Republic of Kazakhstan (AP05133849)
Article History
Received: 18 November 2020
Revised: 2 May 2021
Accepted: 4 May 2021
First Online: 14 May 2021
Declaration
:
: The study protocol (version 4.5, revised on 7 September 2015) was approved by the Ethics Committee of the International Agency for Research on Cancer (IEC 12–36), and the National Ethics Committees in Latvia, the Ethics Committee of Riga East University Support Foundation (No.14-A/13), and the Central Medical Ethics Committee (No. 01–29.1/11). The protocol is registered in the clinicaltrials.gov database (NCT02047994).
: All patients signed informed consent to participate in the study.
: The manucript and data has been submitted for publication to only Virchows Archiv.
: The authors declare that they have no conflict of interest.