Funding for this research was provided by:
Birjand University of Medical Sciences (455421)
cancer research center of cancer institute of Iran (37312-202-01-97)
Royan Stem Cell Technology Co. (RSCT96030201)
Received: 24 October 2020
Accepted: 13 May 2021
First Online: 7 June 2021
: All CB samples were obtained with prior consent and ethical committee approval from the Cord Blood Bank, Royan Stem Cell Technology Co., with the following ethical codes: IR.BUMS.REC.1396.321 and IR.ACECR.ROYAN.REC.1397.171.
: Not applicable.
: The authors declare that they have no competing interests.