| article html file updated | 5 August 2021 06:40 CEST | Update | https://www.mdpi.com/2077-1312/9/4/418 |
| article html file updated | 16 April 2021 12:06 CEST | Update | - |
| article pdf uploaded. | 16 April 2021 12:05 CEST | Updated version of record | https://www.mdpi.com/2077-1312/9/4/418/pdf |
| article xml uploaded. | 16 April 2021 12:05 CEST | Update | https://www.mdpi.com/2077-1312/9/4/418/xml |
| article xml file uploaded | 16 April 2021 12:05 CEST | Update | - |
| article html file updated | 13 April 2021 14:30 CEST | Original file | - |
| article pdf uploaded. | 13 April 2021 14:29 CEST | Version of Record | https://www.mdpi.com/2077-1312/9/4/418/pdf-vor |
| article xml file uploaded | 13 April 2021 14:29 CEST | Original file | - |
