a1 NIVEL, Netherlands Institute of Health Services Research, Utrecht, The Netherlands
a2 Department of Medical Psychology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
a3 Department of Medicine and Public Health, Section of Psychiatry, Service of Medical Psychology, University of Verona, Verona, Italy
Correspondence:
c1 Address for correspondence: European Association for Communication in Healthcare (EACH), PO Box 1568, 3500 BN Utrecht, The Netherlands. Fax: +31-30-272.9729 E-mail: s.vandulmen@nivel.nl