However, there remains the need to explore in more detail variations in death rates and risk factors with the hope of continuing these improvements in stillbirths and neonatal deaths.

BBC: 'No complacency' over stillbirths

And while callers' voices aren't taped, those they speak to record every detail of their conversation, in the hope that the information they provide could help save someone from traffickers.

CNN: Can 'Big Data' stamp out human trafficking?