code: def migrate(row, migrated)
        super
        self.title ||= Galena.administrative_objects.protocol.title
        self.principal_investigator ||= Galena.administrative_objects.protocol.principal_investigator
        sites << Galena.administrative_objects.tissue_bank if sites.empty?
        coordinators << Galena.administrative_objects.tissue_bank.coordinator if coordinators.empty?
      end
docs: Augments +Jinx::Migratable.migrate+ for the Galena example by adding the following defaults:
   * the CP principal_investigator defaults to the {Galena::Seed#protocol} PI
   * if the sites is empty, then the {Galena::Seed#tissue_bank} is added
     to the CP sites
  
   @param (see Jinx::Migratable#migrate)