| article html file updated | 1 September 2025 16:11 CEST | Update | https://www.mdpi.com/2226-4787/8/4/240 |
| article html file updated | 23 July 2022 05:26 CEST | Update | - |
| article html file updated | 21 December 2020 07:22 CET | Original file | - |
| article pdf uploaded. | 21 December 2020 07:20 CET | Updated version of record | https://www.mdpi.com/2226-4787/8/4/240/pdf |
| article xml uploaded. | 21 December 2020 07:20 CET | Update | https://www.mdpi.com/2226-4787/8/4/240/xml |
| article xml file uploaded | 21 December 2020 07:20 CET | Original file | - |
| article pdf uploaded. | 16 December 2020 13:57 CET | Version of Record | https://www.mdpi.com/2226-4787/8/4/240/pdf-vor |
