public function __construct($firstName = null, $lastName = null, $email = null, $phone = null, $company = null, $address = null, $zipCode = null, $city = null, $state = null, $countryCode = null)
{
$this->setFirstName($firstName);
$this->setLastName($lastName);
$this->setEmail($email);
$this->setPhone($phone);
$this->setCompany($company);
$this->setAddress($address);
$this->setZipCode($zipCode);
$this->setCity($city);
$this->setState($state);
$this->setCountryCode($countryCode);
}