| article html file updated | 30 August 2025 09:39 CEST | Update | https://www.mdpi.com/2410-387X/2/4/39 |
| article html file updated | 17 July 2022 13:42 CEST | Update | N/A |
| article html file updated | 11 February 2020 01:36 CET | Update | N/A |
| article html file updated | 11 October 2019 13:39 CEST | Update | N/A |
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| article html file updated | 6 December 2018 11:25 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2018 11:24 CET | Version of Record | https://www.mdpi.com/2410-387X/2/4/39/pdf |
| article xml uploaded. | 6 December 2018 11:24 CET | Update | https://www.mdpi.com/2410-387X/2/4/39/xml |
| article xml file uploaded | 6 December 2018 11:24 CET | Original file | N/A |
