Methods are provided to reliably identify and surgically eradicate aberrant DREZ in patients suffering from spinal cord injury. The gear selection signal receiving section selectively receives a first gear selection signal and a firstsecond gear selection signal. The tray is used for carrying a disc. In accordance with predefined workflow definitions, intersectional workflow definitions and extended workflow definitions corresponding to a mail flow are selected and displayed. responding to the clicked character buttons into the term input box; and when the completion button is clicked, generating an activation signal so that an search engine associated with the term input box is run using the characters, entered into the term input box, as search data.