The fifth author’s first and last names were inadvertently switched. The first name appears as the last name and the last name appears as the first name. The correct name is: Tadepally Lakshmikanth. The correct citation is: La Rocca R, Tallerico R, Talib Hassan A, Das G, Lakshmikanth T, Matteucci M, et al. (2014) Mechanical Stress Downregulates MHC Class I Expression on HumanCancer Cell Membrane. PLoS ONE 9(12): e111758. doi:10.1371/journal.pone.0111758