Angela G. E. M. de Boer1, J. Jan B. van Lanschot2, Peep F. M. Stalmeier1, Johanna W. van Sandick2, Jan B.F. Hulscher2, J.C.J.M. de Haes1, Mirjam A. G. Sprangers1
1Department of Medical Psychology, Academic Medical Centre, Amsterdam, the Netherlands
2Department of Surgery, Academic Medical Centre, Amsterdam, The Netherlands