Do you have any question about how the data has been calculated? Do you see something weird in our data, and would like us to check it better? Did you download our data a few months ago, and are not sure if there have been improvements and new releases?
Please use the form below to contact us, or write us at firstname.lastname@example.org. We will answer you and, unless you prefer otherwise, we will keep the answer there, so other people will be able to check it.