This study protocol has been
reviewed by the Scientific
Committee of the EMGO Institute of VU University
Medical Center in Amsterdam, The Netherlands, and by
the Research Committee of Inholland University for
Applied Sciences, Amsterdam, and has been approved
for by the Medical Ethical Committee of the VU Univer-
sity Medical Centre for final approval. Patients will
obtain oral and written information about the study and
will be asked to sign an informed consent form if they
are willing to participate. They will give informed con-
sent for participation of a s
pecific caregiver, who will
also be asked to give separate informed consent.