| article html file updated | 1 September 2025 13:15 CEST | Update | https://www.mdpi.com/2199-8531/6/4/142 |
| article html file updated | 23 July 2022 00:43 CEST | Update | - |
| article html file updated | 12 November 2020 04:28 CET | Original file | - |
| article pdf uploaded. | 12 November 2020 04:27 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/142/pdf |
| article xml uploaded. | 12 November 2020 04:27 CET | Update | https://www.mdpi.com/2199-8531/6/4/142/xml |
| article xml file uploaded | 12 November 2020 04:27 CET | Original file | - |
