[1
]
R.J.G. van den Berg-Emons, PhD (Health Science), Department of Rehabilitation Medicine,
Erasmus University Medical Center, Rotterdam, the Netherlands.
[2
]
B.T.J. van Ginneken, PhD (Health Science), Department of Rehabilitation Medicine,
Erasmus University Medical Center.
[3
]
C.F.J. Nooijen, MSc, Department of Rehabilitation Medicine, Erasmus University Medical
Center, PO Box 2040, 3000 CA Rotterdam, the Netherlands. c.nooijen@erasmusmc.nl.
[4
]
H.J. Metselaar, Prof (Medicine), Department of Gastroenterology and Hepatology, Erasmus
University Medical Center.
[5
]
H.W. Tilanus, Prof (Medicine), Department of General Surgery, Erasmus University Medical
Center.
[6
]
G. Kazemier, Prof (Medicine), Department of General Surgery, Erasmus University Medical
Center.
[7
]
H.J. Stam, Prof (Medicine), Department of Rehabilitation Medicine, Erasmus University
Medical Center.