| article html file updated | 18 October 2021 09:12 CEST | Original file | https://www.mdpi.com/2226-4310/8/10/303 |
| article pdf uploaded. | 18 October 2021 09:10 CEST | Updated version of record | https://www.mdpi.com/2226-4310/8/10/303/pdf |
| article xml uploaded. | 18 October 2021 09:10 CEST | Update | https://www.mdpi.com/2226-4310/8/10/303/xml |
| article xml file uploaded | 18 October 2021 09:10 CEST | Original file | - |
| article pdf uploaded. | 15 October 2021 11:37 CEST | Version of Record | https://www.mdpi.com/2226-4310/8/10/303/pdf-vor |
