Countries with a high number of publication are shown in green, whereas countries with a low number of publications are shown in red. Most publications reporting MECs were found Germany (295 publications), China (274 publications), USA (226 publications) und Spain (199 publications). New are publications from the following countries: Egypt, Bangladesh, Iraque, Kamerun, Lesotho, Lettland, Moldawien, Sambia, Sri Lanka and Uruguay.
Source: own source / TUD GmbH