Duch, M. R. (Inventor), Pedersen, F. S. (Inventor), Bahrami, S. (Inventor), Østergaard, L. J. (Inventor), Tolstrup, M. (Inventor), Iversen, L. (Inventor), Johansen, C. (Inventor) & Funding, A. T. (Inventor), 2010, Patent No. PA2009 70005, 14 May 2009