| article html file updated | 1 September 2025 14:36 CEST | Update | https://www.mdpi.com/2309-608X/6/4/319 |
| article html file updated | 22 August 2025 00:23 CEST | Update | - |
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| article html file updated | 3 December 2020 10:27 CET | Update | - |
| article pdf uploaded. | 3 December 2020 10:26 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/319/pdf |
| article xml uploaded. | 3 December 2020 10:26 CET | Update | https://www.mdpi.com/2309-608X/6/4/319/xml |
| article xml file uploaded | 3 December 2020 10:26 CET | Update | - |
| article html file updated | 27 November 2020 12:36 CET | Original file | - |
| article pdf uploaded. | 27 November 2020 12:35 CET | Version of Record | https://www.mdpi.com/2309-608X/6/4/319/pdf-vor |
| article xml uploaded. | 27 November 2020 12:35 CET | Update | - |
| article xml file uploaded | 27 November 2020 12:35 CET | Original file | - |
