Urimon cooperates with several GP practices, pharmacies and laboratories throughout the Netherlands. Click here for the overview of participating GPs and pharmacies. You can hand in your urine and blood samples at a participating blood collection centre near you. Click here for an overview of participating blood collection centres. Is there no participating centre near you? Then you can hand in your urine, in the return box, at a PostNL point of your choice. If you want to participate but your GP or pharmacy is not on the list, this is not a problem. You can still participate in the Urimon study!