| article html file updated | 21 August 2026 04:53 CEST | Update | https://www.mdpi.com/1996-1073/15/1/69 |
| article html file updated | 26 December 2025 13:52 CET | Update | N/A |
| article html file updated | 7 September 2025 09:50 CEST | Update | N/A |
| article html file updated | 30 July 2022 23:57 CEST | Update | N/A |
| article html file updated | 24 December 2021 04:58 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2021 04:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/15/1/69/pdf |
| article xml uploaded. | 24 December 2021 04:57 CET | Update | https://www.mdpi.com/1996-1073/15/1/69/xml |
| article xml file uploaded | 24 December 2021 04:57 CET | Original file | N/A |
| article pdf uploaded. | 22 December 2021 17:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/15/1/69/pdf-vor |
| article pdf uploaded. | 22 December 2021 17:34 CET | Version of Record | https://www.mdpi.com/1996-1073/15/1/69/pdf-vor |
