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| article xml file uploaded | 20 May 2015 13:03 CEST | Original file | https://www.mdpi.com/2072-4292/7/4/4092/xml |
| article pdf uploaded. | 16 April 2015 09:00 CEST | Updated version of record | https://www.mdpi.com/2072-4292/7/4/4092/pdf |
| article pdf uploaded. | 7 April 2015 15:41 CEST | Version of Record | https://www.mdpi.com/2072-4292/7/4/4092/pdf-vor |
