1. Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology University of Girona Jaume Casadamont Building, Door E, 15 Pic de Peguera St Girona ES‐17003 Spain
2. Unit of Cell Biology, Department of Biology, Faculty of Sciences University of Girona Sciences Building, 69 Maria Aurèlia Capmany Girona ES‐17003 Spain
3. Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia Unitat de Nutrició St/Sant Llorenç, 21 Reus ES‐43201 Spain
4. Institut d'Investigació Sanitària Pere Virgili (IISPV) Reus Spain
5. Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain
6. Department of Preventive Medicine and Public Health, School of Medicine University of Valencia Valencia ES‐46010 Spain
7. Andrology and IVF Laboratory, Division of Urology, Department of Surgery University of Utah School of Medicine 675 Arapeen Drive Salt Lake City UT US‐84108 U.S.A.
8. Department of Human Genetics University of Utah School of Medicine 15 N 2030 E Salt Lake City UT US‐84112 U.S.A.