aCoRPS, Department of Medical Psychology, Tilburg University, the Netherlands
bild care team, Maastricht University Medical Centre, Maastricht, the Netherlands
cDepartment of Medical Psychology, St. Elisabeth Hospital, Tilburg, the Netherlands
dDepartment of Internal Medicine, University of Cincinnati Medical Center, Cincinnati, USA
eDepartment of Physical Therapy, Maastricht University Medical Centre, Maastricht, the Netherlands
fDepartment of Respiratory Medicine, Maastricht University Medical Centre, Maastricht, the Netherlands
Correspondence to Professor Dr M. Drent, Department of Respiratory Medicine, ild care center, Maastricht University Medical Centre (MUMC), PO Box 5800, 6202 AZ Maastricht, The Netherlands Tel: +31 43 3876497; fax: +31 43 3874718; e-mail: [email protected]