| article html file updated | 10 November 2021 03:07 CET | Update | https://www.mdpi.com/2227-7099/9/4/172 |
| article pdf uploaded. | 10 November 2021 03:06 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/4/172/pdf |
| article xml uploaded. | 10 November 2021 03:06 CET | Update | https://www.mdpi.com/2227-7099/9/4/172/xml |
| article xml file uploaded | 10 November 2021 03:06 CET | Update | N/A |
| article html file updated | 5 November 2021 14:49 CET | Original file | N/A |
| article pdf uploaded. | 5 November 2021 14:48 CET | Version of Record | https://www.mdpi.com/2227-7099/9/4/172/pdf-vor |
| article xml uploaded. | 5 November 2021 14:48 CET | Update | N/A |
| article xml file uploaded | 5 November 2021 14:48 CET | Original file | N/A |
