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| Online | Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar
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| Greece, Athens | | |
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| Germany, Koblenz | | |
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| Portugal, Coimbra | | |
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| USA, Chicago, IL | | |
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| USA, Detroit, MI | | |
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| Virtual | | |
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| Nethelands, Delft | | |
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| USA, Nashville, TN | | |
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| Spain, Valencia | | |
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| Virtual, Virtual | | |
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| China , Shanghai | | |
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| Canada, Toronto | | |
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| USA, Santa Clara, CA | | |
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| Italy, Bertinoro | | |
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| Virtual | | |
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| USA, New Orleans | | |