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Centers involved in the study (N and % of subjects recruited).
| Centers | N | % |
|---|---|---|
| C01. Austria (Innsbruck, W. W. Fleischhacker, A. Hofer) | 25 | 16.7 |
| C02. Austria (Vienna, G. Sachs, A. Erfurth) | 20 | 13.3 |
| C04. Czech Republic (J. Libiger) | 20 | 13.3 |
| C05. Denmark (B. Y. Glenthøj, M. O. Nielsen) | 24 | 16 |
| C10. Italy (S. Galderisi, A. Mucci) | 25 | 16.7 |
| C11. Norway (I. Melle) | 7 | 4.7 |
| C12. Poland (J. Rybakowski) | 20 | 13.3 |
| C17. Denmark (S. Fitzgerald Austin – EURONES) | 9 | 6 |
| Total Sample | 150 | 100.0 |
