Funding
This study was funded by the Red Nose Foundation through an externally peer reviewed grant process. MDT was also funded by the National Health and Medical Research Council (NHMRC) Centre for Research Excellence(CRE) in Stillbirth. EW was supported by a NHMRC programme grant (APP1113902). MAD and RH have no funds to disclose. The funders had no role in the study design; collection, analysis, interpretation of data; in the writing of the report; and in the decision to submit the article for publication. All researchers were independent from funders and all authors had full access to all the data (including statistical reports and tables) in the study and can take responsibility for the integrity of the data and the accuracy of the data analysis.