Controller
Dr. Yunqi Luo, contact details in the imprint.
Website delivery
The website is delivered as a static site via Cloudflare Pages (Cloudflare, Inc., 101 Townsend St, San Francisco, CA 94107, USA). When a page is requested, technically necessary connection data may be processed, in particular IP address, time, requested resource and browser identifier. The legal basis is Art. 6(1)(f) GDPR (operating and securing the website). Cloudflare, Inc. is certified under the EU-US Data Privacy Framework. We do not store user accounts or form data on this website.
Contact by email
Enquiries use a mailto link. The message is written in your own email programme and sent to the public contact address. The mailbox is operated by Zoho Corporation B.V. (Beneluxlaan 4B, 3527 HT Utrecht, Netherlands); the data is stored in data centres within the EU. This website does not receive, store or transmit form data. We and the mailbox provider process the content of your email in order to reply; the legal basis is Art. 6(1)(b) GDPR (steps prior to entering a contract) or Art. 6(1)(f) GDPR. Emails are kept only for as long as needed to handle the request.
Cookies and analytics
This website uses Cloudflare Web Analytics (Cloudflare, Inc., address above) to evaluate the use of the website in aggregated form: pages viewed, referrer, country, browser and device type, and load times. The service sets no cookies, stores no persistent identifiers in the browser and builds no user profiles across websites; the IP address is not stored. The legal basis is Art. 6(1)(f) GDPR (understanding and improving the service).
In addition we use Google Analytics 4 (Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland), but only if you click “Accept” in the notice at the bottom of the page. The legal basis is your consent under Art. 6(1)(a) GDPR and § 25(1) TDDDG. Before that, no Google script is loaded and no cookie is set. After consent, Google Analytics sets cookies (including “_ga”, lifetime up to two years) and processes page views, clicks on the contact and pricing buttons, approximate location, device and browser; the IP address is truncated before storage. Data may be transferred to Google servers in the USA; Google LLC is certified under the EU-US Data Privacy Framework. Your choice is stored locally in your browser (entry “analytics_consent”) and is not asked again on your next visit. You can change it at any time: change analytics choice.
Your rights
Where applicable, you have the right of access, rectification, erasure, restriction of processing, objection and data portability. Complaints may be lodged with the competent data protection authority.
Version
20 September 2026