| article html file updated | 6 February 2020 20:14 CET | Update | https://www.mdpi.com/2072-666X/6/7/831 |
| article html file updated | 6 May 2019 16:40 CEST | Update | - |
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| article html file updated | 21 August 2015 14:19 CEST | Update | - |
| article html file updated | 28 July 2015 12:27 CEST | Original file | - |
| article xml file uploaded | 28 July 2015 12:27 CEST | Original file | https://www.mdpi.com/2072-666X/6/7/831/xml |
| article pdf uploaded. | 30 June 2015 16:39 CEST | Version of Record | https://www.mdpi.com/2072-666X/6/7/831/pdf |
