by Harmien Zonderland and Robin Smithuis
Radiology department of the Academical Medical Centre in Amsterdam and the Rijnland hospital in Leiderdorp, the Netherlands
by Robin Smithuis and Ruud Pijnappel
Radiology department, Rijnland Hospital, Leiderdorp and Martini Ziekenhuis, Groningen, the Netherlands.
by Robin Smithuis, Janneke de Bes and Anneke Zeillemaker
Department of Radiology and Surgery of the Alrijne hospital, Leiderdorp in the Netherlands
by Leonard Glassman and Marieke Hazewinkel
