The controller within the meaning of the General Data Protection Regulation (GDPR) and other national data protection laws as well as other data protection provisions is:
Ulrich Backes
Pitzacker 1
35096 Weimar (Lahn), Germany
Email: [email protected]
This website is a purely static website with no server-side data processing. No personal data is collected, stored, or processed by the operator of this website. The website serves exclusively to provide information about the search for stem cell donors for Marc and to redirect visitors to official registration organizations.
This website is provided through an external hosting provider. When you visit this website, the hosting provider's web server automatically records technical access data in so-called server log files. These may include:
This data is processed by the hosting provider to ensure trouble-free operation. This data is not merged with other data sources. The legal basis is Art. 6(1)(f) GDPR (legitimate interest in a secure and stable website).
This website uses no cookies - neither first-party nor third-party cookies. No session cookies, tracking cookies, or any other cookies are used.
The website exclusively uses the browser's localStorage to store whether the
privacy notice banner has already been dismissed. Only a simple key-value entry
(e.g., notice-dismissed: true) is stored in the browser. This information does not
leave your browser and is not transmitted to any server. You can delete this entry at any time
through your browser settings.
This website uses no analytics or tracking tools. In particular, none of the following services are used:
No user profiles are created and no user behavior is analyzed.
This website contains links to external websites of official stem cell donor organizations:
When you click on any of these links, you leave this website. Data processing on the linked websites is subject to the respective privacy policies of those providers. Please inform yourself about their data protection practices. In particular, when registering as a stem cell donor, the privacy policies of the respective organization apply.
We assume no responsibility for the content or data processing on the linked websites.
The images used on this website were provided with the consent of the family and are hosted locally on the web server. No external image services are used, so no data is transmitted to third parties when loading images.
This website has no forms, no comment functions, no newsletter sign-up, and no registration functionality. The operator of this website does not collect, store, or process any personal data of visitors.
All registrations as stem cell donors take place exclusively on the external websites of the organizations mentioned above (DKMS, DKMS US, Caribbean Bone Marrow Registry). The data collected in the process is handled by these organizations in accordance with their own privacy policies.
Since we do not collect any personal data, the following data subject rights are generally not applicable. For the sake of completeness, we nevertheless inform you of your rights under the GDPR:
In addition, you have the right to lodge a complaint with a data protection supervisory authority regarding the processing of your personal data. The competent supervisory authority depends on the federal state of your residence or the location of the alleged violation.
This privacy policy is current as of March 2026. Due to the further development of this website or changes in legal or regulatory requirements, it may become necessary to amend this privacy policy. The current version of the privacy policy can be accessed at any time on this page.