Journal article (2008) - S Imberti (author) , W. Kockelmann (author) , H. Postma (author) , M Celli (author) , F. Grazzi (author) , M Zoppi (author) , A Botti (author) , A Sodo (author) , ML Imperiale (author) , M de Vries-Melein (author) , D Visser (author)