A general model is provided which provides collective factorization on related matrices, for multi-type relational data clustering. A locking claw is formed on the main body part to be inserted into an attachment hole formed in an attachment receiving member to which the attachment part is attached for locking on a peripheral part of the attachment hole. In another embodiment, a system includes a computing device and an image reconstruction program executable in the computing device. The bottom wall structure has leg structures extending therefrom. Inputs of data to the system may come from diverse sources including, but not limited to, patient questionnaires, insurance company claims data, hospitals, clinics and other institutional providers, and individual physicians and physicians’ offices.