| article html file updated | 31 August 2025 03:45 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4140 |
| article html file updated | 20 July 2022 00:38 CEST | Update | - |
| article html file updated | 14 February 2020 05:13 CET | Update | - |
| article html file updated | 15 November 2019 08:46 CET | Update | - |
| article html file updated | 30 October 2019 11:17 CET | Original file | - |
| article pdf uploaded. | 30 October 2019 11:16 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4140/pdf |
| article xml uploaded. | 30 October 2019 11:16 CET | Update | https://www.mdpi.com/1996-1073/12/21/4140/xml |
| article xml file uploaded | 30 October 2019 11:16 CET | Original file | - |
