...Alaa M Alayed Eissa Ali Faqeih Abdulwahed Aldehaimi Roy W A Peake and Naif A M Almontashiri Address correspondence to this author at: The Center for Genetics and Inherited Diseases, Taibah University, Almadinah Almunwarah, Saudi Arabia. Fax 617 7300466 e mail nmontashri taibahu.edu.sa 23 12...