| Österreich (1) |
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| Rapid Wien, |
| | Belgien (2) |
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| AA Gent, | | Racing Genk, |
| | Kroatien (1) |
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| Hajduk Split, |
| | Dänemark (1) |
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| FC Nordsjælland, |
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| | | | Luxemburg (1) |
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| F91 Dudelange, |
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| Die Niederlande (2) |
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| Feyenoord, | | Vitesse, |
| | Polen (3) |
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| Jagiellonia, | | Lech Poznań, | | Legia Warszawa, |
| | Portugal (1) |
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| Sporting Braga, |
| | Rumänien (1) |
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| Steaua Bucureşti, |
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| Schottland (1) |
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| Glasgow Rangers, |
| | | Slowakei (2) |
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| AS Trenčín, | | Slovan Bratislava, |
| |
| | Türkei (1) |
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| Istanbul Başakşehir, |
| | Ukraine (1) |
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| Zorya Luhansk, |
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