Funding
This study was externally funded and supported by the Dutch Organization for Health Research and Development (“ZonMw program Inzicht”, grant No 60-00635-98-219).The sponsor has no role in the design and conduct of the study or in the writing of the manuscript and will not have any role during its execution, analyses, interpretation of the data, or decision to submit results.
Trial sponsor: Amsterdam University Medical Centers.Contact Name: R.M.A. van Nispen.Address: PO Box 7057, 1007 MB Amsterdam.Telephone: +31(0)20-4444795.Email: r.vannispen@amsterdamumc.nl.