| article html file updated | 27 July 2022 03:36 CEST | Update | https://www.mdpi.com/1718-7729/28/4/228 |
| article html file updated | 14 July 2021 16:21 CEST | Update | - |
| article pdf uploaded. | 14 July 2021 16:20 CEST | Updated version of record | https://www.mdpi.com/1718-7729/28/4/228/pdf |
| article xml uploaded. | 14 July 2021 16:20 CEST | Update | https://www.mdpi.com/1718-7729/28/4/228/xml |
| article xml file uploaded | 14 July 2021 16:20 CEST | Update | - |
| article html file updated | 6 July 2021 07:38 CEST | Original file | - |
| article pdf uploaded. | 6 July 2021 07:37 CEST | Version of Record | https://www.mdpi.com/1718-7729/28/4/228/pdf-vor |
| article xml file uploaded | 6 July 2021 07:37 CEST | Original file | - |
