private void PopulatePersonalInformationExtraFields(PersonalInformationViewModel model)
{
model.CentreName = model.Centre.HasValue ? centresDataService.GetCentreName(model.Centre.Value) : null;
model.CentreOptions = SelectListHelper.MapOptionsToSelectListItems(
centresDataService.GetCentresForDelegateSelfRegistrationAlphabetical(),
model.Centre
);
}