VEGF is a key regulator of angiogenesis, and agents that selectively decrease the VEGF levels may be used to treat malignancies and other angiogenic diseases characterized by high degree of vascularization or vascular permeability. The panel includes a rectangular plate and a frame. Each harvest chamber has a plurality of adjustable blowers to selectively direct a high velocity air stream onto the sugarcane stalks to remove unwanted foliage from the sugarcane stalks and a vacuum system to suction unwanted foliage from the harvest chambers to a foliage collection chamber located within the harvester. One end of the spray nozzle assembly is mounted through a cover mounted on the inlet driving assembly. Ground faults are detected reliably and less expensively by presuming a ground fault if the comparison indicates that the value of the average potential or the variable derived therefrom has fallen below the threshold. The waveguidecoplanar waveguide transition assembly includes an electronic component coupled to the CPW, and control circuitry operationally coupled with the electronic component.