How to start?
Please change the category in the main menu from Select Location to Everywhere to see all centers worldwide or to your specific region, country or city.
Above the menu a list of possibilities opens. By clicking on the name of a country, a region or a city you select the whole area, while when clicking on the green double arrows you will be able to select more specifically areas related to the country, region or city.
Please also select the map view and scaling factor to see all centers.