| article html file updated | 1 September 2025 10:03 CEST | Update | https://www.mdpi.com/2227-7099/8/4/79 |
| article html file updated | 22 July 2022 09:32 CEST | Update | - |
| article html file updated | 10 October 2020 05:48 CEST | Original file | - |
| article pdf uploaded. | 9 October 2020 04:02 CEST | Updated version of record | https://www.mdpi.com/2227-7099/8/4/79/pdf |
| article xml uploaded. | 9 October 2020 04:02 CEST | Update | https://www.mdpi.com/2227-7099/8/4/79/xml |
| article xml file uploaded | 9 October 2020 04:02 CEST | Original file | - |
| article pdf uploaded. | 2 October 2020 17:14 CEST | Version of Record | https://www.mdpi.com/2227-7099/8/4/79/pdf-vor |
