| article html file updated | 28 July 2022 07:30 CEST | Update | https://www.mdpi.com/1999-4907/12/9/1138 |
| article html file updated | 25 August 2021 09:31 CEST | Original file | - |
| article pdf uploaded. | 25 August 2021 09:30 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/9/1138/pdf |
| article xml uploaded. | 25 August 2021 09:30 CEST | Update | https://www.mdpi.com/1999-4907/12/9/1138/xml |
| article xml file uploaded | 25 August 2021 09:30 CEST | Original file | - |
| article pdf uploaded. | 24 August 2021 11:33 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/9/1138/pdf-vor |
