I should add that all of these records have been audited.

So you can literally record everything that you hear as a text file.

"When you record a disturbance, you need to ensure that it is not caused by another factor, by comparing it with data at other locations, " he said.

They looked at records of children under five.

So you have, I think, at least once record of what are the key parameters and what might one think about when one analysis this event.