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Open Access

Every peer-reviewed research article appearing in this journal will be published open access. This means that the article is universally and freely accessible via the internet in perpetuity, in an easily readable format immediately after publication.

To provide open access, this journal has an open access fee (also known as an article publishing charge APC) which needs to be paid by the authors or on their behalf e.g. by their research funder or institution. The Article Processing Charge (APC) for this journal is USD 700, excluding taxes. For all articles submitted before 31st December 2021, the APC will be waived completely, making it free to publish in the journal.

Peer review under responsibility of KeAi Communications Co., Ltd.

Access Rights
All articles published open access will be immediately and permanently free for everyone to read, download, copy and distribute.

User Rights
A CC user license manages the reuse of the article (see http://www.elsevier.com/openaccesslicenses). Articles will be published under one of the following licenses according to author's choice:

Creative Commons Attribution 4.0 (CC-BY)
Let others to copy, to create extracts, abstracts and new works from the Article, to alter and revise the Article, and to make commercial use of the Article (including reuse and/or resale of the Article by commercial entities), provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, indicates if changes were made and the licensor is not represented as endorsing the use made of the work.

Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND)
For non-commercial purposes, lets others distribute and copy the article, and to include in a collective work (such as an anthology), as long as they credit the author(s) and provided they do not alter or modify the article.

Author rights
For open access publishing this journal uses an exclusive licensing agreement. Authors will retain copyright alongside scholarly usage rights and KeAi Communications Co., Ltd. will be granted publishing and distribution rights. For more information on author rights please see https://www.elsevier.com/copyright.
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