Funding for this research was provided by:
unicocell biomed co. ltd.
ministry of economic affairs (105-EC-17-A-22-I5-0007)
Received: 1 August 2021
Accepted: 4 October 2021
First Online: 30 October 2021
: The protocol of the study was approved by the Institutional Review Board to the tenets of the Declaration of Helsinki. There were two study sites in this trial, including Linkou Chang Gung Memorial Hospital and Taipei Veterans General Hospital in Taiwan. The official ethical approval numbers of the study were 104-1182A (CGMF-IRB) and 2017–04-005A (VGHTPE-IRB). The study was registered at ExternalRef removed (NCT02784964).
: Not applicable.
: The authors declare that they have no competing interests.