| article html file updated | 29 August 2025 21:09 CEST | Update | https://www.mdpi.com/2227-7072/2/3/266 |
| article html file updated | 20 August 2025 21:54 CEST | Update | N/A |
| article html file updated | 6 February 2020 10:55 CET | Update | N/A |
| article html file updated | 7 May 2019 11:13 CEST | Update | N/A |
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| article html file updated | 20 August 2015 13:26 CEST | Update | N/A |
| article html file updated | 1 September 2014 11:20 CEST | Original file | N/A |
| article xml file uploaded | 1 September 2014 11:20 CEST | Original file | https://www.mdpi.com/2227-7072/2/3/266/xml |
| article pdf uploaded. | 25 July 2014 14:43 CEST | Updated version of record | https://www.mdpi.com/2227-7072/2/3/266/pdf |
| article pdf uploaded. | 22 July 2014 13:34 CEST | Version of Record | https://www.mdpi.com/2227-7072/2/3/266/pdf-vor |
