Retraction notice to "miR-664 negatively regulates PLP2 and promotes cell proliferation and invasion in T-cell acute lymphoblastic leukaemia" Biochem. Biophys. Res. Commun. 459/2 (2015) 340-345 - Zhu, Hong; Miao, Mei-Hua; Ji, Xue-Qiang; Xue, Jun; Shao, Xue-Jun (Biochemical and biophysical research communications, 2019)