Before your data are anonymously used for research, you will receive information from your healthcare professional. If you do not want your (anonymous) data to be used, you can notify your healthcare provider. He/she will register your opt-out in the information system, which will ensure that your data will not be forwarded to the GIANTT databank for scientific research. If you would like to opt-out and your data not to be used please complete the form here and hand it over to your GP. More information about privacy and data protection can be found here.