| | | Belgicko (2) |
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| AA Gent, | | Anderlecht, |
| | Bulharsko (1) |
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| Lokomotiv Plovdiv, |
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| | Česká republika (1) |
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| Viktoria Plzeň, |
| | |
| | | Holandsko (2) |
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| Feyenoord, | | Vitesse, |
| | Severné Írsko (1) |
|---|
| Larne FC, |
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| Portugalsko (1) |
|---|
| Paços de Ferreira, |
| | | | Srbsko (2) |
|---|
| FK Partizan, | | FK Vojvodina, |
|
| Švajčiarsko (2) |
|---|
| FC Basel, | | FC Luzern, |
| |