| | | Belgia (1) |
|---|
| Royal Antwerp FC, |
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| Hajduk Split, |
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| Republika Czeska (2) |
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| FC Slovácko, | | Slavia Praha, |
| | | Finlandia (1) |
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| HJK Helsinki, |
| | Grecja (2) |
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| Olympiacos Piraeus, | | Panathinaikos, |
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| F91 Dudelange, |
| | Holandia (2) |
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| AZ, | | FC Twente, |
| | Irlandia Północna (1) |
|---|
| Linfield FC, |
| | Norwegia (1) |
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| Lillestrøm SK, |
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| Portugalia (1) |
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| Vitória Guimarães, |
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| Dundee United, |
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| Slovan Bratislava, |
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| | | Switzerland (2) |
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| FC Basel, | | FC Zürich, |
| |