| article html file updated | 1 September 2025 11:48 CEST | Update | https://www.mdpi.com/2409-9287/5/4/31 |
| article html file updated | 22 July 2022 22:22 CEST | Update | - |
| article html file updated | 27 October 2020 09:26 CET | Update | - |
| article pdf uploaded. | 27 October 2020 09:24 CET | Updated version of record | https://www.mdpi.com/2409-9287/5/4/31/pdf |
| article xml uploaded. | 27 October 2020 09:24 CET | Update | https://www.mdpi.com/2409-9287/5/4/31/xml |
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| article html file updated | 24 October 2020 12:23 CEST | Original file | - |
| article pdf uploaded. | 24 October 2020 12:22 CEST | Version of Record | https://www.mdpi.com/2409-9287/5/4/31/pdf-vor |
| article xml uploaded. | 24 October 2020 12:22 CEST | Update | - |
| article xml file uploaded | 24 October 2020 12:22 CEST | Original file | - |
