| article html file updated | 29 August 2025 21:02 CEST | Update | https://www.mdpi.com/2072-6643/6/4/1608 |
| article html file updated | 15 July 2022 23:00 CEST | Update | N/A |
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| article html file updated | 12 May 2014 15:30 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2014 15:30 CEST | Original file | https://www.mdpi.com/2072-6643/6/4/1608/xml |
| article pdf uploaded. | 17 April 2014 15:50 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/4/1608/pdf |
