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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Statistics of the collected OMHC dataset. The “subsequent posts/comments in the same OMHC” means the posts/comments that users published subsequently in the same OMHC as their first post.