Provided is an apparatus comprising a DCDC converter having a plurality of converter modules each configured to convert current from a first voltage level to another voltage form. The image forming apparatus may include a storing part and a controlling part to store a list of transmission and reception for transmitted and received files using an FTP. The processor then causes an actuator to reconfigure the production line consistent with the particular configuration data. Also provided are methods of treating and preventing prion diseases in a subject by administering an agent that binds to the amino acid sequence Gln-Pro-His of prion proteins. A mattress has a mattress section supported by the mattress section support and the upper deck.