https://www.buffalo.edu/news/releases/2013/03/028.html
21 Mar 2013:
Mayo Clinic; Elliott Frohman, UT Southwestern Medical Center; Cecilie Jacobsen, Turi O Dalaker, Elisabeth Farbu, Jan Petter Larsen and Kirsten Lode of Stavanger University Hospital; and Kjell-Morten Myhr and Harald