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Folia Medica 63(3): 365-371
doi: 10.3897/folmed.63.e61484
Received: 30 Nov 2020 | Approved: 22 Feb 2021 | Published: 30 Jun 2021
This article is part of:
Folia Medica 63(3)
Authors
   
   
Hristo Y. Ivanov - Corresponding author
Medical University of Plovdiv, Plovdiv, Bulgaria
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Branimir Velinov
Institute for Medical Research, Sofia, Bulgaria
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Gergana Kyosovksa
Institute for Medical Research, Sofia, Bulgaria
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Denitsa Grigorova
Sofia University, Sofia, Bulgaria
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Peter Shopov
Scientific Liaison, Sofia, Bulgaria
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Author contributions
All authors participated in gathering and analysis of the data for the study. All authors read and approved the final manuscript
Conflict of interest
The authors have declared that no competing interests exist.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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