Similarity Check is a multi-publisher initiative to screen published and submitted content for originality. New Physics: Sae Mulli uses the iThenticate software to detect instances of overlapping and similar text in submitted manuscripts. Wherever you see the "Similarity Check Deposited" or "Similarity Check Depositor" logos, you can be reassured that the publisher whose content you are reading is committed to actively combating plagiarism and publishing original research. View's plagiarism policy here. To find out more about Similarity Check visit https://www.crossref.org/services/similarity-check/