Diana M. Vaamonde Martin,PhD, Department of Morphological Sciences, University of Cordoba, Reproductive Care Center, Gynemed,Cordoba, SpainStefan S. du Plessis, MBA, PhD (Stell),Division of Medical Physiology, Department of Biomedical Sciences, Stellenbosch University, Tygerberg, Cape Town, South Africa Ashok Agarwal, PhD, HCLD (ABB), ELD (ACE), American Center for Reproductive Medicine and, The Andrology Center, Cleveland Clinic Foundation, Cleveland, OH, USA