Journal article (2014) - T Mak (author), R.J. Westerwaal (author), M.J. Slaman (author), Herman Schreuders (author), H. Schreuders (author), AW van Vugt (author), M Victoria (author), C. Boelsma (author), B. Dam (author), Bernard Dam (author)

Journal article (2013) - R.J. Westerwaal (author), JSA Rooijmans (author), Th Rasing (author), L Leclercq (author), DG Gheorghe (author), T.R. Radeva (author), L.P.A. Mooij (author), T Mak (author), L Polak (author), M.J. Slaman (author), Bernard Dam (author), B. Dam (author)