Recently, with the title “Researcher posit new strategy for treatment of HER2-positive breast cancer”, Oncology Learning Network® (https://www.oncnet.com), which is an on-line resource for the latest developments in oncology practice, reported an interview with Prof. Zhen Liu on the treatment of HER2-positive breast cancer (Angew Chem Int Ed, 2019, 58, 10621-10625).