Funding for this research was provided by:
by the Ministry of Health & Welfare, Republic of Korea (HI16C1559)
the National Research Foundation of Korea (NRF-2020R1F1A1075943)
Received: 10 February 2021
Accepted: 18 April 2021
First Online: 29 May 2021
: The process of obtaining orbital adipose tissue was approved by the Institutional Review Board of Bundang CHA Medical Center (Seongnam-si, South Korea) and the animal protocol was approved by the Institutional Animal Care and Use Committee of CHA Bundang Medical Center. Placenta tissues were collected for research purposes by the Institutional Review Board of CHA Gangnam Medical Center, Seoul, Republic of Korea (IRB 07–18). All patients consented to the proper use for research.
: Not applicable.
: The authors declare no conflicts of interest regarding the publication of this paper.