| article html file updated | 1 September 2025 20:50 CEST | Update | https://www.mdpi.com/1996-1073/14/4/840 |
| article html file updated | 24 July 2022 16:28 CEST | Update | - |
| article html file updated | 8 February 2021 10:04 CET | Update | - |
| article html file updated | 8 February 2021 03:01 CET | Original file | - |
| article pdf uploaded. | 8 February 2021 03:00 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/840/pdf |
| article xml uploaded. | 8 February 2021 03:00 CET | Update | https://www.mdpi.com/1996-1073/14/4/840/xml |
| article xml file uploaded | 8 February 2021 03:00 CET | Original file | - |
| article pdf uploaded. | 5 February 2021 13:49 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/840/pdf-vor |
| article pdf uploaded. | 5 February 2021 12:57 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/840/pdf-vor |