| article html file updated | 24 December 2025 23:56 CET | Update | https://www.mdpi.com/2076-0817/9/12/999 |
| article html file updated | 1 September 2025 14:45 CEST | Update | N/A |
| article html file updated | 23 July 2022 03:05 CEST | Update | N/A |
| article html file updated | 4 December 2020 22:28 CET | Update | N/A |
| article pdf uploaded. | 4 December 2020 13:16 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/12/999/pdf |
| article xml uploaded. | 4 December 2020 13:16 CET | Update | https://www.mdpi.com/2076-0817/9/12/999/xml |
| article xml file uploaded | 4 December 2020 13:16 CET | Update | N/A |
| article html file updated | 29 November 2020 10:17 CET | Original file | N/A |
| article pdf uploaded. | 29 November 2020 10:16 CET | Version of Record | https://www.mdpi.com/2076-0817/9/12/999/pdf-vor |
| article xml uploaded. | 29 November 2020 10:16 CET | Update | N/A |
| article xml file uploaded | 29 November 2020 10:16 CET | Original file | N/A |
