Journal article (2014) - R. van Hameren (author), AM van Buul (author), D. Visser (author), RK Heenan Heenan (author), S. King (author), AE Rowan (author), RJM Nolte (author), W. Pyckhout-Hintzen (author), JAAW Elemans (author), MC Feiters (author)