| article html file updated | 7 November 2025 09:49 CET | Update | https://www.mdpi.com/1999-4923/12/4/309 |
| article html file updated | 30 October 2025 07:39 CET | Update | - |
| article html file updated | 31 August 2025 15:50 CEST | Update | - |
| article html file updated | 21 July 2022 00:19 CEST | Update | - |
| article html file updated | 8 May 2020 13:29 CEST | Update | - |
| article html file updated | 29 March 2020 14:20 CEST | Original file | - |
| article pdf uploaded. | 29 March 2020 14:18 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/4/309/pdf |
| article xml uploaded. | 29 March 2020 14:18 CEST | Update | https://www.mdpi.com/1999-4923/12/4/309/xml |
| article xml file uploaded | 29 March 2020 14:18 CEST | Original file | - |
