| article html file updated | 1 September 2025 21:40 CEST | Update | https://www.mdpi.com/1996-1073/14/4/997 |
| article html file updated | 25 July 2022 03:28 CEST | Update | N/A |
| article html file updated | 24 February 2021 04:12 CET | Original file | N/A |
| article pdf uploaded. | 24 February 2021 04:10 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/997/pdf |
| article xml uploaded. | 24 February 2021 04:10 CET | Update | https://www.mdpi.com/1996-1073/14/4/997/xml |
| article xml file uploaded | 24 February 2021 04:10 CET | Original file | N/A |
| article pdf uploaded. | 14 February 2021 10:07 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/997/pdf-vor |
