Cookie policy
1. What cookies are
Cookies are small files that a website stores in your browser.
2. Cookies used by this Site
This Site uses technical cookies, which do not require consent, and, only if you accept them in the cookie notice, Google Analytics analytics cookies. We do not use advertising cookies or tracking for advertising purposes.
NEXT_LOCALE: a functional cookie that remembers the language you choose in the language switcher, so the Site is shown in that language on your next visits. Retention: 1 year. It is a technical preference cookie and does not require consent.
cm_consent: a technical cookie that stores your choice in the cookie notice (accept or reject). Retention: 12 months.
_ga: a Google Analytics analytics cookie (provider Google LLC) that distinguishes visitors pseudonymously to compile statistics on use of the Site. Retention: 2 years. It is only installed if you accept.
_ga_<ID>: a Google Analytics analytics cookie (provider Google LLC) that stores the session state. Retention: 2 years. It is only installed if you accept.
Google Analytics operates with Google signals and advertising features disabled. You can change or withdraw your consent at any time using the «Cookie settings» link in the footer of every page.
3. YouTube videos
Some treatment pages include a YouTube video. The video does not load until you press the play button; until then, no connection is made to any Google server. When you press it, the video loads from youtube-nocookie.com and Google's privacy policy applies.
4. How to manage cookies
You can block or delete cookies in your browser settings.
Last updated: 6 November 2026