Select a Region, Country and Centre from the list boxes to view the data. To select multiple centres, use the shift or ctrl keys or select 'all' to select all centres in a region or country. The data is presented in a zip file containing a csv file for each centre. Please see the Coding and Data Transfer Manual for detailed information concerning the how the data is presented within these files. To ensure the privacy of the participants, the date of birth has been replaced with age in months in the data. Centre for which we have not yet recieved permission to display data have been greyed out in the selection boxes below.