| article html file updated | 21 December 2020 08:57 CET | Update | https://www.mdpi.com/2076-0787/9/4/146 |
| article pdf uploaded. | 21 December 2020 08:56 CET | Updated version of record | https://www.mdpi.com/2076-0787/9/4/146/pdf |
| article xml uploaded. | 21 December 2020 08:56 CET | Update | https://www.mdpi.com/2076-0787/9/4/146/xml |
| article xml file uploaded | 21 December 2020 08:56 CET | Update | - |
| article html file updated | 17 December 2020 12:37 CET | Original file | - |
| article pdf uploaded. | 17 December 2020 12:34 CET | Version of Record | https://www.mdpi.com/2076-0787/9/4/146/pdf-vor |
| article xml uploaded. | 17 December 2020 12:34 CET | Update | - |
| article xml file uploaded | 17 December 2020 12:34 CET | Original file | - |
