database update( update patients table)
database update( update patients table)

run this 20131019_01_update_patients_table.sql in your database, then
you can get a new patients table with a varchar(10) postal_code

met-hilab/DiabeteSavior,met-hilab/DiabeteSavior,met-hilab/DiabeteSavior,met-hilab/DiabeteSavior,met-hilab/DiabeteSavior