| article html file updated | 7 September 2025 06:09 CEST | Update | https://new.mdpi.com/1999-4923/13/12/1999 |
| article html file updated | 30 July 2022 18:36 CEST | Update | - |
| article html file updated | 30 November 2021 10:20 CET | Update | - |
| article html file updated | 30 November 2021 10:19 CET | Update | - |
| article pdf uploaded. | 30 November 2021 10:18 CET | Updated version of record | https://new.mdpi.com/1999-4923/13/12/1999/pdf |
| article xml uploaded. | 30 November 2021 10:18 CET | Update | https://new.mdpi.com/1999-4923/13/12/1999/xml |
| article xml file uploaded | 30 November 2021 10:18 CET | Update | - |
| article html file updated | 25 November 2021 07:00 CET | Update | - |
| article html file updated | 25 November 2021 07:00 CET | Original file | - |
| article pdf uploaded. | 25 November 2021 06:59 CET | Version of Record | https://new.mdpi.com/1999-4923/13/12/1999/pdf-vor |
| article xml uploaded. | 25 November 2021 06:59 CET | Update | - |
| article xml file uploaded | 25 November 2021 06:59 CET | Original file | - |
