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| article xml file uploaded | 9 July 2015 06:46 CEST | Original file | https://www.mdpi.com/1420-3049/20/6/10980/xml |
| article pdf uploaded. | 16 June 2015 09:26 CEST | Updated version of record | https://www.mdpi.com/1420-3049/20/6/10980/pdf |
| article pdf uploaded. | 15 June 2015 10:34 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/6/10980/pdf-vor |
