def _refresh_multi_axis(self):
        """ If linked axis' are used, setup and link them """
        d = self.declaration
        
        #: Create a separate viewbox
        self.viewbox = pg.ViewBox()
        
        #: If this is the first nested plot, use the parent right axis
        _plots = [c for c in self.parent().children() if isinstance(c,AbstractQtPlotItem)]
        i = _plots.index(self)
        if i==0:
            self.axis = self.widget.getAxis('right') 
            self.widget.showAxis('right')
        else:
            self.axis = pg.AxisItem('right')
            self.axis.setZValue(-10000)
            
            #: Add new axis to scene
            self.widget.layout.addItem(self.axis,2,i+2)
        
        #: Link x axis to the parent axis
        self.viewbox.setXLink(self.widget.vb)
        
        #: Link y axis to the view
        self.axis.linkToView(self.viewbox)
        
        #: Set axis label
        self.axis.setLabel(d.label_right)
        
        #: Add Viewbox to parent scene
        self.parent().parent_widget().scene().addItem(self.viewbox)
If linked axis' are used, setup and link them