| article html file updated | 1 September 2025 16:22 CEST | Update | https://www.mdpi.com/2227-9040/8/4/134 |
| article html file updated | 23 July 2022 05:48 CEST | Update | - |
| article html file updated | 22 December 2020 11:52 CET | Update | - |
| article pdf uploaded. | 22 December 2020 11:13 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/134/pdf |
| article xml uploaded. | 22 December 2020 11:13 CET | Update | https://www.mdpi.com/2227-9040/8/4/134/xml |
| article xml file uploaded | 22 December 2020 11:13 CET | Update | - |
| article html file updated | 18 December 2020 11:59 CET | Original file | - |
| article pdf uploaded. | 18 December 2020 10:50 CET | Version of Record | https://www.mdpi.com/2227-9040/8/4/134/pdf-vor |
| article xml uploaded. | 18 December 2020 10:50 CET | Update | - |
| article xml file uploaded | 18 December 2020 10:50 CET | Original file | - |
