A well-prepared abstract allows the reviewers to identify the essential contents of the work quickly and accurately. Therefore, an abstract should summarize the contents of the research work and be informative and suitable for direct inclusion in abstracting services as a self-described article. It should summarize the general scope and state the main results obtained, methods used, the conclusions drawn, novelty, and value of the work. No figure numbers, table numbers, references, or equation numbers should be included. Moreover, an abstract should be a single paragraph and should not exceed 200 words.