Reply to: “Role of HGF for reprogramming human liver progenitor cells: Non-essential but stimulative supplement”

This research was supported by Grants from the Medical Research Center (2017R1A5A2015395), Basic Science Research Program (2017R1D1A1B03030508), and the Bio & Medical Technology Development Program (2018M3A9H1023910) funded by the National Research Foundation (NRF) of the Ministry of Education, Science and Technology (MEST).