An apparatus, system, and method are disclosed for restoring cluster server data at a volume level. The fixation system may include a holding assembly, the holding assembling preferably including a lateral implant holder which may be attached to a pedicle screw and a sleeve positioned in connection with the lateral implant holder to prevent the lateral implant holder from separating from the pedicle screw. In one embodiment, based upon user-defined parameters and independently acquired information, the master device divides the print data into print jobs and sends the appropriate print data to the plurality of print devices for processing. The music jukebox includes means for selecting a sound track from the music library stored in the data storage structure to play through the audio output structure, and the housing includes a display thereon which identifies sound tracks in the music library. In particular, the invention provides methods of identifying modulators of the polynucleotides or polypeptides of the invention and using those modulators to treat diabetes, as well as methods of diagnosing diabetes by measuring the levels of the polynucleotides or polypeptides of the invention in a patient.