| article html file updated | 1 September 2025 15:22 CEST | Update | https://www.mdpi.com/2227-9091/8/4/133 |
| article html file updated | 23 July 2022 04:05 CEST | Update | - |
| article html file updated | 9 December 2020 04:35 CET | Update | - |
| article pdf uploaded. | 9 December 2020 04:33 CET | Updated version of record | https://www.mdpi.com/2227-9091/8/4/133/pdf |
| article xml uploaded. | 9 December 2020 04:33 CET | Update | https://www.mdpi.com/2227-9091/8/4/133/xml |
| article xml file uploaded | 9 December 2020 04:33 CET | Update | - |
| article html file updated | 8 December 2020 04:45 CET | Original file | - |
| article pdf uploaded. | 7 December 2020 08:23 CET | Version of Record | https://www.mdpi.com/2227-9091/8/4/133/pdf-vor |
| article xml uploaded. | 7 December 2020 08:23 CET | Update | - |
| article xml file uploaded | 7 December 2020 08:23 CET | Original file | - |
