It is provided an LED lighting device calibratable to 0 to 100% of wide range about a chromaticity and luminance of a illumination light by a simple configuration, and a driving method for the LED lighting device. The microprocessor is in communication with the network interface for establishing an internet connection and receiving user-specified information from a remote service provider that maintains a user-profile of information requested by the user. The invention also includes lumbar stabilization devices adapted to be placed between a lumbar vertebra and an adjacent vertebra, including the first sacral vertebra, to stabilize the lumbosacral region of a patient, and method for using such devices. In another embodiment, the invention can include a graphical user interface comprising a first area to select a database, a second area to select a search type, and a third area to select an attribute from the selected database upon which to execute the selected search type.