An improved method of performing surgery on a joint in a patient’s body, such as a knee, includes making an incision in a knee portion of one leg while a lower portion of the one leg is extending downward from an upper portion of the one leg and while a foot connected with the lower portion of the one leg is below a support surface on which the patient is disposed. Typically, the peripheral bus is supported by a cable connected between a host device and an electronic device. In response to the request, the GGM may aggregate and analyze interaction data to identify a provider with prior interactions with the user.