COVID-19 and assisted reproductive technology services: repercussions for patients and proposal for individualized clinical management oleh Carlo Alviggi, Sandro C. Esteves, Raoul Orvieto, Alessandro Conforti, Antonio La Marca, Robert Fischer, Claus Y. Andersen, Klaus Bühler, Sesh K. Sunkara, Nikolaos P. Polyzos, Ida Strina, Luigi Carbone, Fabiola C. Bento, Daniela Galliano, Hakan Yarali, Lan N. Vuong, Michael Grynberg, Panagiotis Drakopoulos, Pedro Xavier, Joaquin Llacer, Fernando Neuspiller, Marcos Horton, Matheus Roque, Evangelos Papanikolaou, Manish Banker, Michael H. Dahan, Shu Foong, Herman Tournaye, Christophe Blockeel, Alberto Vaiarelli, Peter Humaidan, Filippo M. Ubaldi, on behalf of the POSEIDON (Patient-Oriented Strategies Encompassing IndividualizeD Oocyte Number) group