| article html file updated | 30 August 2025 21:52 CEST | Update | https://www.mdpi.com/1996-1944/12/13/2109 |
| article html file updated | 20 July 2022 07:45 CEST | Update | - |
| article html file updated | 12 February 2020 23:12 CET | Update | - |
| article html file updated | 17 July 2019 11:27 CEST | Update | - |
| article html file updated | 30 June 2019 09:23 CEST | Original file | - |
| article pdf uploaded. | 30 June 2019 09:21 CEST | Version of Record | https://www.mdpi.com/1996-1944/12/13/2109/pdf |
| article xml uploaded. | 30 June 2019 09:21 CEST | Update | https://www.mdpi.com/1996-1944/12/13/2109/xml |
| article xml file uploaded | 30 June 2019 09:21 CEST | Original file | - |
