Section to complete the data related to the review ethics committees.
      Name of Research Ethics Committees: 
    
            
                    “Hermanos Ameijeiras” Surgical Clinical Hospital        
              
                    "Vladimir Ilich Lenin" General Teaching Hospital        
         
 
      Postal address of Ethic Committee : 
    
            
                    San Lazaro # 701 esq. a Belascoain, Centro Habana, ZC:10400, Havana, Cuba        
              
                    Lenin No. 2, entre 18 y 26, Rpto. Lenin, ZC: 80100, Holguin. Cuba