| article html file updated | 31 August 2025 08:17 CEST | Update | https://www.mdpi.com/1999-4907/11/1/67 |
| article html file updated | 19 July 2022 20:02 CEST | Update | - |
| article html file updated | 15 February 2020 00:26 CET | Update | - |
| article html file updated | 7 February 2020 06:00 CET | Update | - |
| article html file updated | 10 January 2020 05:17 CET | Original file | - |
| article pdf uploaded. | 6 January 2020 10:22 CET | Version of Record | https://www.mdpi.com/1999-4907/11/1/67/pdf |
| article xml uploaded. | 6 January 2020 10:22 CET | Update | https://www.mdpi.com/1999-4907/11/1/67/xml |
| article xml file uploaded | 6 January 2020 10:22 CET | Original file | - |
