Slanbekova, Gulnara Kobylanovna
Chung, Man Cheung
Karipbaev, Baizhol Iskakovich
Sabirova, Raikhan Shaikhishevna
Alimbayeva, Roza Togayevna
Article History
First Online: 5 December 2018
Compliance with Ethical Standards
:
: All authors declare that they have no conflicts of interest.
: All procedures performed in this study 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.
: Informed consent was obtained from all participants included in the study.