GiuliaConforto April 21, 2021:  Updated training material (markdown) [29e7513]
GiuliaConforto September 30, 2020:  Updated training material (markdown) [d8e1fbc]
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web September 30, 2020:  translated 1 files into 0 languages. [90c0f3d]
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web September 29, 2020:  translated 1 files into 0 languages. [c44759d]