1. Department of Reproductive Biology Leibniz Institute for Farm Animal Biology (FBN) Dummerstorf Germany
2. Institute of Biochemistry Faculty of Medicine Justus‐Liebig‐University Giessen Germany
3. UCD Veterinary Sciences Centre University College Dublin Belfield Ireland
4. Dublin‐Oxford Glycobiology Laboratory NIBRT ‐ The National Institute for Bioprocessing Research and Training Blackrock Co. Dublin Ireland
5. Food and Drug Administration Silver Spring MD USA