Van Mastrigt, O., Smid, E. J., Abee, T., Lillevang, S. K. & Kristensen, M. N., 13 Feb 2020, Patent No. WO2020030811, Priority date 10 Aug 2018, Priority No. EP20180188490
Notebaart, R. A., Künne, T. A., Brouns, S. J. J. & Van Der Oost, J., 2 Apr 2020, Patent No. WO2020065062, Priority date 28 Sep 2018, Priority No. GB20180015820
Kiers, J. L., Nout, M. J. R., Rombouts, F. M., Koops, B. C., van Laere, K. M. J., Wissing, E., Hagemann, R. J. J. & van der Meulen, J., 25 Apr 2001, Patent No. WO02086136, Priority date 25 Apr 2001