Journal article (2014) - F Snik (author), JHH Rietjens (author), J Vonk (author), D.M. Stam (author), G van Harten (author), J de Boer (author), CU Keller (author), P.L.J. Swinkels (author), P.L.J. Swinkels (author), A Apituley (author), H Volten (author), B Mijling (author), A Di Noia (author), S Heikamp (author), RC Heinsbroek (author), OP Hasekamp (author), JM Smit (author)