So far, MPT research on thousands of volunteers and patients have been performed in the US, Australia, Japan, China, Russia, UK, France, Italy, and Germany using the CE certified tomographs Dermainspect and MPTflex as well as with two-photon microendoscopes. The clinical studies focused on early detection of skin cancer and brain tumors, dermatitis, diseased cornea, the oxygen consumption of skin, and oral cavity tissue.