Endometriosis classification, staging and reporting systems: A review on the road to a universally accepted endometriosis classification

Nathalie Vermeulen, Mauricio S. Abrao, Jon I. Einarsson, Andrew W. Horne, Neil P. Johnson, Ted T.M. Lee, Stacey Missmer, John Petrozza, Carla Tomassetti, Krina T. Zondervan, Grigoris Grimbizis, Rudy Leon De Wilde, International working group of AAGL, ESGE, ESHRE and WES