/// <summary>
/// Adds the additional demographic.
/// </summary>
/// <param name="additional">The additional.</param>
/// <returns></returns>
public IHttpActionResult AddAdditionalDemographic(AdditionalDemographicsModel additional)
{
return(new HttpResult <Response <AdditionalDemographicsModel> >(_additionalDemographicsDataProvider.AddAdditionalDemographic(additional), Request));
}