Provided are methods and systems for inserting custom content. An integrated circuit package includes a first substrate, a second substrate, and a stiffener. At least one side of the light guide plate is provided with a circuit board on which an LED unit is disposed, and at least one side between the frame body and the back plate of the fixing unit is mounted with a U-shaped fixing member. The first detection module detects whether the access node receives variant and interface ID information within the first timing period. It is also possible to identify those medical providers who provide treatment that does not fall within the statistically established treatment patterns or profiles. A characteristic of the output of the combining for a given time period is measured.