Embodiments of the invention described herein relate generally to a method for assessing cognitive function and measuring treatment efficacy. A length is defined for a context identifier used in identifying data packet connections for data transmission between the compressor and decompressor, said length defining the maximum number of data packet connections transmitted on one connection. The payment request includes the phone number for the mobile device. The knock-out surface of the knock-out stripper member projects axially from the substantially planar punch surface when the punch reciprocates towards its open position. The mechanical wear element is configured so that the magnetic attachment element is not easily removed or dislodged from the mechanical wear element, without regard to choice of mechanical wear element material utilized. Subsequently a second window is made in the insulating layer, and the layer is then epitaxially grown selectively on the area of the substrate exposed by the window in the insulating layer.