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International Sci Ink Press Ltd, registration no. 205414288, registered office at Antim I 57, fl. 1, Vazrazhdane District, Sofia 1303, Bulgaria. Editorial correspondence is handled through the journal portals at mdpub.net and ejos.org.

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You may exercise the rights of access, rectification, erasure, restriction, portability, and objection at any time by writing to the address above. You also have the right to lodge a complaint with the Bulgarian Commission for Personal Data Protection (cpdp.bg).

We retain editorial correspondence for as long as is necessary for the integrity of the scholarly record. Published article metadata (DOI, authors, abstract) is retained indefinitely as part of the permanent academic record (Portico, CLOCKSS).

LAST UPDATED · JUNE 2026