All co-authors of a publication are responsible for providing consent authorship to the Corresponding Author, should contribute in the research work, take responsibility for appropriate portions of the content, acknowledging that they have reviewed and approved the manuscript and are responsible for the content of all appropriate portions of the manuscript, including the integrity of any applicable research. Authors may acknowledge those people who helped in research project, such as office staff, editorial assistants, medical writers, or other individuals in their acknowledgement. Guest (symbolic), gift (an individual who has not contributed to the research work) and ghost authors are all inconsistent with the definition of authorship, and are unacceptable and a violation of this policy.