[1] Department of Surgery, Diakonessenhuis Utrecht, Bosboomstraat 1, P.O. Box 80250, Utrecht
[2] Department of Pathology, Sint Antonius Hospital Nieuwegein, Koekoekslaan 1, mailbox 2500, Nieuwegein
[3] Department of Cardiothoracic Surgery, Sint Antonius Hospital Nieuwegein, Koekoekslaan 1, mailbox 2500, Nieuwegein