| article html file updated | 1 September 2025 21:01 CEST | Update | https://www.mdpi.com/1996-1073/14/4/868 |
| article html file updated | 24 July 2022 18:59 CEST | Update | - |
| article html file updated | 19 February 2021 02:01 CET | Update | - |
| article pdf uploaded. | 19 February 2021 01:59 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/868/pdf |
| article xml uploaded. | 19 February 2021 01:59 CET | Update | https://www.mdpi.com/1996-1073/14/4/868/xml |
| article xml file uploaded | 19 February 2021 01:59 CET | Update | - |
| article html file updated | 8 February 2021 08:04 CET | Original file | - |
| article pdf uploaded. | 8 February 2021 08:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/868/pdf-vor |
| article xml uploaded. | 8 February 2021 08:03 CET | Update | - |
| article xml file uploaded | 8 February 2021 08:03 CET | Original file | - |
| article pdf uploaded. | 7 February 2021 11:46 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/868/pdf-vor |