| article html file updated | 2 September 2025 02:24 CEST | Update | https://www.mdpi.com/1999-4907/12/4/421 |
| article html file updated | 25 July 2022 10:15 CEST | Update | - |
| article html file updated | 3 August 2021 21:56 CEST | Update | - |
| article html file updated | 12 April 2021 03:33 CEST | Update | - |
| article pdf uploaded. | 12 April 2021 03:32 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/421/pdf |
| article xml uploaded. | 12 April 2021 03:32 CEST | Update | https://www.mdpi.com/1999-4907/12/4/421/xml |
| article xml file uploaded | 12 April 2021 03:32 CEST | Update | - |
| article html file updated | 10 April 2021 20:23 CEST | Update | - |
| article html file updated | 1 April 2021 09:38 CEST | Update | - |
| article pdf uploaded. | 1 April 2021 09:36 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/421/pdf-vor |
| article xml file uploaded | 1 April 2021 09:36 CEST | Update | - |
| article html file updated | 1 April 2021 09:12 CEST | Original file | - |
| article pdf uploaded. | 1 April 2021 09:11 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/421/pdf-vor |
| article xml file uploaded | 1 April 2021 09:11 CEST | Original file | - |
