| article html file updated | 29 August 2025 20:41 CEST | Update | https://www.mdpi.com/2076-0817/2/3/446 |
| article html file updated | 15 July 2022 22:23 CEST | Update | N/A |
| article html file updated | 6 February 2020 02:57 CET | Update | N/A |
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| article html file updated | 17 June 2015 10:49 CEST | Update | N/A |
| article html file updated | 26 August 2014 04:23 CEST | Original file | N/A |
| article xml file uploaded | 26 August 2014 04:23 CEST | Original file | https://www.mdpi.com/2076-0817/2/3/446/xml |
| article pdf uploaded. | 5 July 2013 17:49 CEST | Updated version of record | https://www.mdpi.com/2076-0817/2/3/446/pdf |
| article pdf uploaded. | 2 July 2013 17:47 CEST | Version of Record | https://www.mdpi.com/2076-0817/2/3/446/pdf-vor |
