| article html file updated | 25 December 2025 12:47 CET | Update | https://www.mdpi.com/1999-4907/12/6/709 |
| article html file updated | 2 September 2025 09:18 CEST | Update | - |
| article html file updated | 22 August 2025 01:00 CEST | Update | - |
| article html file updated | 26 July 2022 22:03 CEST | Update | - |
| article html file updated | 3 June 2021 03:11 CEST | Original file | - |
| article pdf uploaded. | 3 June 2021 03:10 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/6/709/pdf |
| article xml uploaded. | 3 June 2021 03:10 CEST | Update | https://www.mdpi.com/1999-4907/12/6/709/xml |
| article xml file uploaded | 3 June 2021 03:10 CEST | Original file | - |
| article pdf uploaded. | 30 May 2021 06:11 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/6/709/pdf-vor |
