Journal article (2008) - T.E. Tornqvist (author), DJ Wallace (author), Joep E.A. Storms (author), J. E.A. Storms (author), Joep Storms (author), J.E.A. Storms (author), J. Wallinga (author), RL van Dam (author), M. Blaauw (author), Menno Blaauw (author), MS Derksen (author), CWJ Klerks (author), C Meijneken (author), EMA Snijders (author)