| article html file updated | 31 August 2025 04:01 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4204 |
| article html file updated | 20 July 2022 00:19 CEST | Update | N/A |
| article html file updated | 14 February 2020 06:35 CET | Update | N/A |
| article html file updated | 15 November 2019 09:33 CET | Update | N/A |
| article html file updated | 4 November 2019 10:14 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2019 10:13 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4204/pdf |
| article xml uploaded. | 4 November 2019 10:13 CET | Update | https://www.mdpi.com/1996-1073/12/21/4204/xml |
| article xml file uploaded | 4 November 2019 10:13 CET | Original file | N/A |
