1. Institute of Zoology; Zoological Society of London; London United Kingdom
2. Department of Animal Medicine and Surgery; Autonomous University of Barcelona; Bellaterra (Cerdanyola del Vallès, Barcelona) Spain
3. Academic Department of Reproductive and Developmental Medicine; University of Sheffield; Sheffield United Kingdom
4. Department of Biology; University of Girona; Girona Spain
5. Institute of Biomedical and Biomolecular Sciences; University of Portsmouth; Portsmouth United Kingdom