In Volume 11, Number 4, 2009 of Cloning and Stem Cells, page 535, in the article titled “Identification of Multipotent Cytotrophoblast Cells from Human First Trimester Chorionic Villi” by Paola Spitalieri et al., the name of one of the authors was misspelled, which should have been M. Lucia Scaldaferri. We regret this error.