| article html file updated | 31 August 2025 11:30 CEST | Update | https://www.mdpi.com/1996-1944/13/4/839 |
| article html file updated | 20 July 2022 20:01 CEST | Update | - |
| article html file updated | 6 March 2020 21:55 CET | Update | - |
| article html file updated | 3 March 2020 10:19 CET | Original file | - |
| article xml uploaded. | 3 March 2020 10:17 CET | Update | https://www.mdpi.com/1996-1944/13/4/839/xml |
| article pdf uploaded. | 3 March 2020 10:17 CET | Updated version of record | https://www.mdpi.com/1996-1944/13/4/839/pdf |
| article pdf uploaded. | 12 February 2020 16:51 CET | Version of Record | https://www.mdpi.com/1996-1944/13/4/839/pdf-vor |
| article xml file uploaded | 12 February 2020 16:51 CET | Original file | - |
