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Article History

Received: 7 November 2022

Accepted: 5 August 2023

First Online: 22 August 2023

Declarations

:

: All procedures performed in this studies were in accordance with relevant guidelines and regulations in the Declaration of Helsinki. This study was approved by the Tehran University of Medical Sciences Ethical Committee (ethical code: IR.TUMS.DENTISTRY.REC.1399.076). All methods were performed in accordance with the relevant guidelines and regulations.<b>Online certification</b>ExternalRef removed<b>Permissions to collect </b><b><i>Ramalina sinensis</i></b>Lichen materials were collected in accordance with the relevant guidelines and regulations of the Plant Varieties Protection, Environmental Protection Organization of Iran (Tehran, Iran), and relevant permissions were taken from the plant Varieties Protection, Environmental Protection Organization of Iran to collect <i>Ramalina sinensis</i>.

: Not applicable.

: The authors declare no competing interests.