1. Department of Pediatrics Yong Loo Lin School of Medicine National University of Singapore Singapore City Singapore
2. Preimplantation Genetic Diagnosis Center Khoo Teck Puat – National University Children's Medical Institute National University Health System Singapore City Singapore
3. Department of Obstetrics and Gynecology Clinic for Human Reproduction National University Health System Singapore City Singapore
4. Department of Obstetrics and Gynecology Yong Loo Lin School of Medicine National University of Singapore Singapore City Singapore
5. Department of Laboratory Medicine National University Health System Singapore City Singapore