| article html file updated | 6 February 2020 20:33 CET | Update | https://www.mdpi.com/2077-1444/6/3/819 |
| article html file updated | 21 September 2019 00:03 CEST | Update | - |
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| article html file updated | 13 October 2015 11:54 CEST | Update | - |
| article xml file uploaded | 13 October 2015 11:54 CEST | Original file | https://www.mdpi.com/2077-1444/6/3/819/xml |
| article html file updated | 21 August 2015 14:42 CEST | Original file | - |
| article pdf uploaded. | 10 July 2015 15:47 CEST | Version of Record | https://www.mdpi.com/2077-1444/6/3/819/pdf |
