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| article xml file uploaded | 25 October 2013 09:44 CEST | Original file | https://www.mdpi.com/1660-3397/11/9/3425/xml |
| article pdf uploaded. | 10 September 2013 14:32 CEST | Updated version of record | https://www.mdpi.com/1660-3397/11/9/3425/pdf |
| article pdf uploaded. | 9 September 2013 14:29 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/9/3425/pdf-vor |
