| article html file updated | 1 September 2025 17:50 CEST | Update | https://www.mdpi.com/2226-4787/9/1/12 |
| article html file updated | 23 July 2022 10:48 CEST | Update | - |
| article html file updated | 8 January 2021 03:03 CET | Update | - |
| article pdf uploaded. | 8 January 2021 03:02 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/1/12/pdf |
| article xml uploaded. | 8 January 2021 03:02 CET | Update | https://www.mdpi.com/2226-4787/9/1/12/xml |
| article xml file uploaded | 8 January 2021 03:02 CET | Update | - |
| article html file updated | 7 January 2021 10:37 CET | Original file | - |
| article pdf uploaded. | 7 January 2021 10:36 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/1/12/pdf-vor |
| article xml file uploaded | 7 January 2021 10:36 CET | Original file | - |
| article pdf uploaded. | 5 January 2021 17:34 CET | Version of Record | https://www.mdpi.com/2226-4787/9/1/12/pdf-vor |
