1. Assisted Conception unit The Centre for Reproductive and Genetic Health London UK
2. Reproductive Medicine and Immunology, Obstetrics and Gynecology Clinical Sciences Department Chicago Medical School Rosalind Franklin University of Medicine and Science Vernon Hills IL USA
3. Department of Traditional Chinese Medicine Rheumatology Shenzhen Nanshan People's Hospital and The 6th Affiliated Hospital of Shenzhen University Health Science Center Shenzhen Guangdong China
4. Department of Obstetrics and Gynecology King Faisal Specialist Hospital and Research Center Riyadh Saudi Arabia