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| article xml file uploaded | 1 September 2014 11:20 CEST | Original file | https://www.mdpi.com/2227-7072/2/3/280/xml |
| article pdf uploaded. | 28 July 2014 14:54 CEST | Updated version of record | https://www.mdpi.com/2227-7072/2/3/280/pdf |
| article pdf uploaded. | 23 July 2014 15:11 CEST | Version of Record | https://www.mdpi.com/2227-7072/2/3/280/pdf-vor |
