public async Task InitializeCountryLocations(string countryCode)
        {
            CountryLocalities.Clear();
            CountryLocalityZones.Clear();
            CountryLocalitiesBySynonyms.Clear();
            DefaultCountryName = string.Empty;

            await InitializeCountryNames(countryCode);
            await InitializeCountryLocalities(countryCode);
            await InitializeCountryLocalityZones(countryCode);
            await InitializeLocalitySynonyms(countryCode);
        }