1. Aga Khan University Hospital; Karachi Pakistan
2. Concept Foundation; Geneva Switzerland
3. Institute of Applied Health Research; University of Birmingham; Birmingham UK
4. Birmingham Women's Hospital; Birmingham UK
5. Tommy’s National Centre for Miscarriage Research, Institute of Metabolism and Systems Research (IMSR), WHO Collaborating Centre for Global Women’s Health Research; University of Birmingham; Birmingham UK
6. Malawi-Liverpool-Wellcome Trust Research Institute; Queen Elizabeth Central Hospital, College of Medicine; Blantyre Malawi
7. Institute of Lifecourse and Medical Sciences; University of Liverpool; Liverpool UK