| article html file updated | 11 June 2021 03:58 CEST | Update | https://www.mdpi.com/2076-393X/9/6/631 |
| article pdf uploaded. | 11 June 2021 03:56 CEST | Updated version of record | https://www.mdpi.com/2076-393X/9/6/631/pdf |
| article xml uploaded. | 11 June 2021 03:56 CEST | Update | https://www.mdpi.com/2076-393X/9/6/631/xml |
| article xml file uploaded | 11 June 2021 03:56 CEST | Update | - |
| article html file updated | 10 June 2021 09:00 CEST | Original file | - |
| article pdf uploaded. | 10 June 2021 08:59 CEST | Version of Record | https://www.mdpi.com/2076-393X/9/6/631/pdf-vor |
| article xml file uploaded | 10 June 2021 08:58 CEST | Original file | - |
