| article html file updated | 31 August 2025 17:05 CEST | Update | https://www.mdpi.com/2227-9067/7/4/33 |
| article html file updated | 21 July 2022 01:34 CEST | Update | - |
| article html file updated | 16 April 2020 12:41 CEST | Original file | - |
| article pdf uploaded. | 16 April 2020 12:40 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/4/33/pdf |
| article xml uploaded. | 16 April 2020 12:40 CEST | Update | https://www.mdpi.com/2227-9067/7/4/33/xml |
| article xml file uploaded | 16 April 2020 12:40 CEST | Update | - |
| article pdf uploaded. | 10 April 2020 16:30 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/4/33/pdf-vor |
| article xml file uploaded | 10 April 2020 16:30 CEST | Original file | - |
