Ory Steven, Veiga Anna, Horton Marcos, Gianaroli Luca
The International Federations of Fertility Societies (IFFS), USA.
The European Society of Human Reproduction and Embryology (ESHRE), Spain.
Hum Reprod Open. 2021 Apr 16;2021(2):hoab016. doi: 10.1093/hropen/hoab016. eCollection 2021.