Funding for this research was provided by:
National Natural Science Foundation of China (81860157)
Natural Science Foundation of Inner Mongolia (2017MS0314)
Text and Data Mining valid from 2019-11-21
Received: 12 September 2018
Accepted: 27 September 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: All frozen CB samples were obtained with prior consent and ethical committee approval from the Shandong Cord Blood Bank. The study had full ethical approval from the institutional ethics committee of Beijing Friendship Hospital.
: Not applicable.
: A patent application for the composition for expanding NK cells and the use of them has been filed with Xiao Yun Wu as a first inventor. Other authors declare that they have no conflict of interest.