| article html file updated | 7 September 2025 03:27 CEST | Update | https://www.mdpi.com/2409-9287/6/4/90 |
| article html file updated | 30 July 2022 12:30 CEST | Update | N/A |
| article html file updated | 13 December 2021 02:31 CET | Update | N/A |
| article pdf uploaded. | 13 December 2021 02:30 CET | Updated version of record | https://www.mdpi.com/2409-9287/6/4/90/pdf |
| article xml uploaded. | 13 December 2021 02:30 CET | Update | https://www.mdpi.com/2409-9287/6/4/90/xml |
| article xml file uploaded | 13 December 2021 02:30 CET | Update | N/A |
| article html file updated | 19 November 2021 11:22 CET | Update | N/A |
| article pdf uploaded. | 19 November 2021 11:21 CET | Updated version of record | https://www.mdpi.com/2409-9287/6/4/90/pdf-vor |
| article xml uploaded. | 19 November 2021 11:21 CET | Update | N/A |
| article xml file uploaded | 19 November 2021 11:21 CET | Update | N/A |
| article html file updated | 22 October 2021 13:21 CEST | Original file | N/A |
| article pdf uploaded. | 22 October 2021 13:20 CEST | Version of Record | https://www.mdpi.com/2409-9287/6/4/90/pdf-vor |
| article xml uploaded. | 22 October 2021 13:20 CEST | Update | N/A |
| article xml file uploaded | 22 October 2021 13:20 CEST | Original file | N/A |
