1. This paper has not been and will not be published in any other journal.

2. This paper follows the format of the submission guideline.

3. This work follows the Research and Publication Ethics.

4. Co-authors did their meaningful role in this paper.

5. Any research funds, sponsorship, or grants was acknowledged in this paper.

6. The Copyright Transfer Agreement has been signed by all authors.

7. All conflict of interests is written in this paper.

8. Author includes a 'Declarations' section in the manuscript including all of the subheadings listed below and the relevant information.

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2019 JCR Impact Factor: 1.685

The 2019 Journal Citation Reports (JCR) was announced, and the impact factor of JAST was determined to be 1.685.

We would like to ask for your continued interest and support in our journal.

Thank you.

JAST Editorial Office

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