1. Fertility Center Dronninglund, Aalborg Hospital, Aarhus University Hospital, Dronninglund, Denmark
2. Padmashree Dr. DY Patil University, Medical College, Navi Mumbai, India
3. IVF Laboratory, CTHM Reproductive Medicine Unit, Women's Specialized Hospital, King Fahad Medical City, Riyadh
4. Stem Cell Unit, Department of Anatomy, King Saud University, Riyadh, Kingdom of Saudi Arabia