| article html file updated | 31 August 2025 08:16 CEST | Update | https://www.mdpi.com/2071-1050/12/1/421 |
| article html file updated | 19 July 2022 20:03 CEST | Update | - |
| article html file updated | 15 February 2020 00:23 CET | Update | - |
| article html file updated | 10 January 2020 05:07 CET | Original file | - |
| article pdf uploaded. | 6 January 2020 06:55 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/421/pdf |
| article xml uploaded. | 6 January 2020 06:55 CET | Update | https://www.mdpi.com/2071-1050/12/1/421/xml |
| article xml file uploaded | 6 January 2020 06:55 CET | Original file | - |
