1. American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.
2. Universidade da Beira Interior, Covilhã, Portugal.
3. Department of Microscopy, Laboratory of Cell Biology, Institute of Biomedical Sciences Abel Salazar and Unit for Multidisciplinary Research in Biomedicine, University of Porto, Porto, Portugal.
4. Center of Excellence in Genomic Medicine Research, Faculty of Applied Medical Sciences, Jeddah, Saudi Arabia.
5. Division of Pathology, School of Medical Sciences, Sydney University, Sydney, Australia.