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Authors
Sapundzhieva, Tanya https://orcid.org/0000-0002-2061-6473
Sapundzhiev, Lyubomir
Karalilova, Rositsa
Batalov, Anastas
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Article History
Received: 1 August 2025
Revised: 2 September 2025
Accepted: 8 September 2025
First Online: 30 September 2025
Compliance with ethical standards
:
: All procedures performed in this study were conducted in accordance with the ethical standards of the institutional and national research committees, and with the 1964 Declaration of Helsinki and its subsequent amendments or comparable ethical standards.The study was approved by the Local Ethics Committee of the University Hospital ‘Pulmed’ Protocol №1, Date: January 8th, 2024).
: Informed consent was obtained from all subjects involved in the study.
: None.
: This manuscript is not under simultaneous consideration by another journal and has not been published previously, either in print or electronic format.
