To make this site work properly, we sometimes place small data files called cookies on your device. Most websites do this too.

What are cookies?
A cookie is a small text file that a website saves onyour 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.

How do we use cookies?
We use cookies for:

• identification and authentication
• optimization of the site
• gather statistics and analyzing these statistics

Enabling these cookies is not strictly necessary for the site to work. You can delete or block these cookies, but if you do that some features of this site may not work as intended.
The cookie-related information is used to identify you personally and the pattern data is fully under our control.
These cookies are not used for any purpose other than those described here.

How to control cookies?
You can control and/or delete cookies as you wish - for details, see aboutcookies.org. 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.