P3-14-13: A Prospective Open-Label Randomized Phase II Neoadjuvant Study of Non-Pegylated Liposomal Doxorubicin (MYOCET®) Plus Cyclophosphamide and Trastuzumab Versus Conventional Doxorubicin Plus Cyclophosphamide Alone, Each Followed by Docetaxel and Trastuzumab, in HER2−Positive Breast Cancer Patients.