The authors must ensure that they have written the original work in its entirety, and if the author has used the work and / or words of others that this has been quoted or cited appropriately. Multiple, Redundant, or Simultaneous Publications. An author may not generally publish manuscripts which basically describe the same research in more than one major journal or publication. The act of submitting the same manuscript to more than one journal simultaneously is unethical and unacceptable publishing behavior. Publishing Letters will actively examine plagiarism with the support of both TURNITIN and ITHENTICATE. A maximum of 15% similarity will be tolerated.