1. Department of Metabolism, Digestion and Reproduction Institute of Reproductive & Developmental Biology, Hammersmith Hospital Campus, Imperial College London London UK
2. Department of Metabolism, Digestion and Reproduction, Section of Investigative Medicine Imperial College School of Medicine, Imperial College London London UK
3. Queen Charlotte's Hospital, Hammersmith Hospital Campus London UK
4. Gynaecology and Reproductive Medicine Lister Fertility Clinic London UK