A method and system for assigning downlink and uplink channels to a mobile station registered with a base station, which uses an interference-sensing scheme and which provides improved reliability and performance over conventional schemes. A TFT and an organic light emitting element are formed on the same substrate as structuring elements of a light emitting device. The tip of the obturator and the end of the cannula are designed to minimize tissue damage and insertion effort by providing a smooth, unencumbered surface transition. The structure and operation of the cribbing apparatus eliminates the need to forcefully jam cribbing into place between the vehicle and the ground and eliminates the need to stack cribbing. The methods comprise determining the presence or absence of one or more nucleic acids from a donor transplant, wherein said one or more nucleic acids from said donor are identified based on a predetermined marker profile, and diagnosing or predicting transplant status or outcome based on the presence or absence of said one or more nucleic acids. The multipurpose container is used in gravity-assisted and pump-assisted enteral feeding and serves for the connection of transfer systems to storage containers, in particular to nutrient and balancing liquid containers having differently designed openings.