title: Retraction Note to: Roles of MicroRNAs and Other Non-coding RNAs in Breast Cancer Metastasis.
authors.affiliation: Department of Cell Biology, Harvard Medical School, 200 Longwood Avenue, Boston, MA, 02115, USA. scott_valastyan@hms.harvard.edu.
authors.forename: Scott
authors.initials: S
authors.lastname: Valastyan