| Number | Date | Country | Kind |
|---|---|---|---|
| 000 795 612-0001 | Sep 2007 | EM | regional |
| 000 795 612-0002 | Sep 2007 | EM | regional |
| 000 795 612-0003 | Sep 2007 | EM | regional |
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| D439823 | Adler et al. | Apr 2001 | S |