public Reference getExpressedBy() { 
      if (this.expressedBy == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create Goal.expressedBy");
        else if (Configuration.doAutoCreate())
          this.expressedBy = new Reference(); // cc
      return this.expressedBy;
    }
public Reference getExpressedBy ( ) { if ( this . expressedBy == null ) if ( Configuration . errorOnAutoCreate ( ) ) throw new Error ( "Attempt to auto-create Goal.expressedBy" ) ; else if ( Configuration . doAutoCreate ( ) ) this . expressedBy = new Reference ( ) ; return this . expressedBy ; }
@return {@link #expressedBy} (Indicates whose goal this is - patient goal, practitioner goal, etc.)