A method, apparatus and computer program product are provided for use in a system that includes one or more processors, and multiple threads that are respectively associated with the one or more processors. The subsidy can be cash, in-kind drug, or a combination thereof. In the dead space, a slit extending along the lines of the apertures is formed. As a result the molecules are oxidized. The sample and hold circuit includes at least one input switch to selectively connect the capacitive element to the input and at least one output switch to selectively connect the capacitive element to the output. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion.