| article html file updated | 6 February 2020 02:28 CET | Update | https://www.mdpi.com/2072-6694/5/2/662 |
| article html file updated | 8 May 2019 04:25 CEST | Update | - |
| article html file updated | 20 March 2019 23:23 CET | Update | - |
| article html file updated | 17 June 2015 09:57 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2072-6694/5/2/662/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
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| article html file updated | 6 August 2013 15:32 CEST | Original file | - |
| article xml file uploaded | 6 August 2013 15:32 CEST | Original file | - |
| article pdf uploaded. | 4 June 2013 09:44 CEST | Version of Record | https://www.mdpi.com/2072-6694/5/2/662/pdf |