onCountryChange = (e: SyntheticEvent) => {
        this.onEntryChange(e);
        const formData = this.state.formData;
        const countryInResidenceList = this.props.residenceList.find(country => country.value === this.props.country_code);
        formData.phone = countryInResidenceList ? `+${countryInResidenceList.phone_idd}` : '';