| article html file updated | 23 December 2021 09:36 CET | Update | https://www.mdpi.com/2226-4310/8/12/399 |
| article html file updated | 16 December 2021 07:15 CET | Original file | - |
| article pdf uploaded. | 16 December 2021 07:13 CET | Version of Record | https://www.mdpi.com/2226-4310/8/12/399/pdf |
| article xml uploaded. | 16 December 2021 07:13 CET | Update | https://www.mdpi.com/2226-4310/8/12/399/xml |
| article xml file uploaded | 16 December 2021 07:13 CET | Original file | - |
