Original sentence: Moreover, courses are not only taught by government executives but also by academic researchers, which leads to training partnerships with the universities.The curriculum of this school covers 30 months of alternating theoretical training - mostly in organisational sociology - and practical training - with many hands-on problems - and internships
Edited sentence: Moreover, courses are not only taught by government executives but also by academic researchers, which leads to training partnerships with the universities;.The curriculum of this school covers 30 months of alternating theoretical training - mostly in organisational sociology - and practical training - with many hands-on problems - and internships, often at the European Commission or other international bodies