Journal article (2009) - R.E.M. Riva (author), B.C. Gunter (author), TJ Urban (author), L.L.A. Vermeersen (author), R.C. Lindenbergh (author), MM Helsen (author), J.L. Bamber (author), RSW Wal (author), MR van den Broeke (author), BE Schutz (author)