| article html file updated | 1 September 2025 11:30 CEST | Update | https://www.mdpi.com/2227-9709/7/4/46 |
| article html file updated | 22 July 2022 21:55 CEST | Update | - |
| article html file updated | 4 November 2020 03:36 CET | Original file | - |
| article pdf uploaded. | 4 November 2020 03:35 CET | Updated version of record | https://www.mdpi.com/2227-9709/7/4/46/pdf |
| article xml uploaded. | 4 November 2020 03:35 CET | Update | https://www.mdpi.com/2227-9709/7/4/46/xml |
| article xml file uploaded | 4 November 2020 03:35 CET | Original file | - |
| article pdf uploaded. | 21 October 2020 13:38 CEST | Version of Record | https://www.mdpi.com/2227-9709/7/4/46/pdf-vor |
