A header includes a substrate made of an insulative material that has a plurality of through holes formed therein extending between upper and lower sides of the substrate. In the pixel structure, an electrode of a storage capacitor is formed when an active layer is formed, and the electrode and the active layer are made of the same material. The medial surface has a medial section, and the lateral surface has a lateral section oriented substantially parallel to the medial section. The treatment with creatine compounds can be therapeutic for diseased patients, preventive for healthy people, as well as geriatric for elderly people.