Cookies policy

What are cookies?

A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don't have to keep re-entering them whenever you come back to the site or browse from one page to another.

Cookies are essential for internet to work correctly by providing several advantages to improve interactive services, making web browsing easier. Cookies do not damage hardware but rather help us to identify and solve errors.

Relation and description of the cookies that we use on the web page

The following table shows the cookies we use on our website: 

Name Purpose Description Supplier Duration
PHPSESSID Required This cookie is native to PHP applications.
The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website.
The cookie is a session cookies and is deleted when all the browser windows are closed
Client Session
Required This cookie identifies whether the user has accepted the use of cookies or not. Client Session
_ga Analysis This cookie is installed by Google Analytics.
The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report.
The cookies store information anonymously and assign a randomly generated number to identify unique visitors.
Google Analytics 2 years
_gat_gtag_UA Analysis Google uses this cookie to distinguish users Google Analytics 1 minute
_utma Analysis This cookie is set by Google Analytics and is used to distinguish between users and sessions. The cookie is created when the JavaScript library is run and there are no __utma cookies. The cookie is updated each time data is sent to Google Analytics. Google Analytics 2 years
_utmb Analysis Google Analytics sets the cookie. The cookie is used to determine new sessions / visits. The cookie is created when the JavaScript library is run and there are no __utma cookies. The cookie is updated each time data is sent to Google Analytics. Google Analytics 30 minutes
_utmt Analysis The cookie is set by Google Analytics and is used to reduce the request rate. Google Analytics 10 minutes
_utmz Analysis Google Analytics sets this cookie and is used to store the source of traffic or the campaign through which the visitor came to your site. Google Analytics 6 months

Other third party cookies

Some of our pages may display content from external providers, e.g. YouTube, Facebook and Twitter.
To view this third-party content, you first have to accept their specific terms and conditions. This includes their cookie policies, which we have no control over.
But if you do not view this content, no third-party cookies are installed on your device.

Third-party providers that this website may have:

These third-party services are outside of the control of the Commission. Providers may, at any time, change their terms of service, purpose and use of cookies, etc.

How to control cookies

You can control and/or delete cookies as you wish. You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.

The following is a list of the most common browsers:

Internet Explorer




Google Chrome 

You can change your consent at any time from the Cookie Settings on our website. Change cookie settings

Additional notes 

Neither this website nor its legal representatives are responsible for the content or veracity of the privacy policies that may be used by third parties mentioned in this cookie policy. 

Web browsers are the tools in charge of storing cookies and from this site to exercise their right to delete or deactivate them. Neither this website nor its legal representatives can guarantee the correct or incorrect handling of cookies by these browsers. 

In some cases it is necessary to install cookies so that the browser does not forget your decision not to accept them. 

In the case of Google Analytics cookies, this company stores cookies on servers in the United States and undertakes not to share them with third parties, except in cases where this is necessary for the operation of the system or when required by law. to this end. Google Inc. is a company that adheres to the Privacy Shield ( which guarantees that all transferred data will be treated with a level of protection in accordance with European regulations. By using this website, you consent to the processing of data about you by Google. Accordingly, the exercise of any such right shall be communicated directly to Google. 

Update: March 2022

COST (European Cooperation in Science and Technology) is a funding agency for research and innovation networks. Our Actions help connect research initiatives across Europe and enable scientists to grow their ideas by sharing them with their peers. This boosts their research, career and innovation.