| | | Belgia (1) |
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| Royal Antwerp FC, |
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| Republika Czeska (2) |
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| FC Slovácko, | | Slavia Praha, |
| | | Grecja (2) |
|---|
| Olympiacos Piraeus, | | Panathinaikos, |
| | Luksemburg (1) |
|---|
| F91 Dudelange, |
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| Holandia (2) |
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| AZ, | | FC Twente, |
| | Irlandia Północna (1) |
|---|
| Linfield FC, |
| | Norwegia (1) |
|---|
| Lillestrøm SK, |
| | Szkocja (1) |
|---|
| Dundee United, |
|
| Serbia (2) |
|---|
| FK Cukarički, | | FK Partizan, |
| | Słowacja (1) |
|---|
| Slovan Bratislava, |
| | | Switzerland (2) |
|---|
| FC Basel, | | FC Zürich, |
|
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