| article html file updated | 30 July 2022 07:20 CEST | Update | https://www.mdpi.com/2227-7099/9/4/135 |
| article html file updated | 24 September 2021 07:59 CEST | Update | - |
| article html file updated | 24 September 2021 07:59 CEST | Original file | - |
| article pdf uploaded. | 24 September 2021 07:58 CEST | Updated version of record | https://www.mdpi.com/2227-7099/9/4/135/pdf |
| article xml uploaded. | 24 September 2021 07:58 CEST | Update | https://www.mdpi.com/2227-7099/9/4/135/xml |
| article xml file uploaded | 24 September 2021 07:58 CEST | Update | - |
| article pdf uploaded. | 24 September 2021 07:58 CEST | Version of Record | - |
| article xml uploaded. | 24 September 2021 07:58 CEST | Update | - |
| article xml file uploaded | 24 September 2021 07:58 CEST | Original file | - |
