Funding for this research was provided by:
Received: 25 August 2020
Accepted: 8 March 2021
First Online: 23 March 2021
: The Medical Ethics Committee of Hiroshima Graduate School of Biomedical Science (E-84) approved the HPMC isolation from human omentum, which was conducted in accordance with the Declaration of Helsinki. Each patient provided written informed consent. The Institutional Animal Care and Use Committee of Hiroshima University approved all animal experimental procedures (permit number: A19-127).
: Not applicable.
: The Department of Stem Cell Biology and Medicine, Graduate School of Biomedical & Health Sciences, Hiroshima University, is a collaborative research laboratory funded by TWOCELLS Company, Limited. Emeritus Prof. Kato is the vice president of TWOCELLS Company, Limited. All remaining authors have declared that no conflicts of interest exist.