The Portal is a joint project of MATTO and the MTTC. The development and implementation of the portal has been paid for by the MTTC, Beth Israel Deaconess Medical Center, Boston Biomedical Research Institute, Boston University, Brandeis University, Caritas St. Elizabeth's Medical Center, Boston Children's Hospital, Dana Farber Cancer Institute, Harvard University, Joslin Diabetes Center, Massachusetts Eye and Ear Infirmary, Massachusetts General Hospital, McLean Hospital, Northeastern University, The Schepens Eye Research Institute, and Tufts University.