Funding for this research was provided by:
National Natural Science Foundation of China (81172592, 81270630)
Received: 7 August 2018
Accepted: 22 July 2019
First Online: 18 September 2019
Ethics approval and consent to participate
: This study was approved by the Review Committee of the Ethics Department of the People’s Hospital of Jiangsu University (Ethical item number: 20120016). All the BM donators knew our study and had signed the informed consents.
: Not applicable
: The authors declare that they have no competing interests.