These are the scholarly articles that express a personal opinion or a new perspective about existing research on a particular topic. These do not require original research, and are, therefore, less time-consuming than original research articles. However, the author needs to have in-depth knowledge of the topic.

• Word Count: 1500-2000 words
• References: 10-15
• Abstract: Not required

Commentary: The commentary provides a critical review of a current or key issue. Such articles are narrowly focused and provide discernment into an important development of interest in the scientific field. There should be no abstract, headings, or subheadings in such an article. Commentaries draw attention to or present criticism on a previously published article, book, or report, often using the findings as a call to action or to highlight a few points of wider relevance to the field.

Perspectives: It present a new and unique viewpoint on existing problems, fundamental concepts, or prevalent notions on a specific topic, propose and support a new hypothesis, or discuss the implications of a newly implemented innovation. Perspective pieces may focus on current advances and future directions on a topic, and may include original data as well as personal opinion.