| article html file updated | 31 August 2025 03:45 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4139 |
| article html file updated | 20 July 2022 00:38 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:12 CET | Update | N/A |
| article html file updated | 15 November 2019 08:45 CET | Update | N/A |
| article html file updated | 30 October 2019 11:01 CET | Original file | N/A |
| article pdf uploaded. | 30 October 2019 10:59 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4139/pdf |
| article xml uploaded. | 30 October 2019 10:59 CET | Update | https://www.mdpi.com/1996-1073/12/21/4139/xml |
| article xml file uploaded | 30 October 2019 10:59 CET | Original file | N/A |