Article History
First Online: 22 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Animal Ethical Committee of Iran University of Medical Sciences approved all the experiments and protocols, and all efforts were made to minimize suffering.
: The amniotic membranes were provided by Shahid Akbar Abadi Hospital upon informed consent of the participants in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.