| article html file updated | 31 August 2025 04:02 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4206 |
| article html file updated | 20 July 2022 00:19 CEST | Update | N/A |
| article html file updated | 14 February 2020 06:38 CET | Update | N/A |
| article html file updated | 15 November 2019 09:34 CET | Update | N/A |
| article html file updated | 4 November 2019 11:22 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2019 11:20 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4206/pdf |
| article xml uploaded. | 4 November 2019 11:20 CET | Update | https://www.mdpi.com/1996-1073/12/21/4206/xml |
| article xml file uploaded | 4 November 2019 11:20 CET | Original file | N/A |
