| article html file updated | 1 July 2021 10:03 CEST | Update | https://www.mdpi.com/2227-7390/9/13/1530 |
| article html file updated | 30 June 2021 11:55 CEST | Original file | - |
| article pdf uploaded. | 30 June 2021 11:54 CEST | Updated version of record | https://www.mdpi.com/2227-7390/9/13/1530/pdf |
| article xml uploaded. | 30 June 2021 11:54 CEST | Update | https://www.mdpi.com/2227-7390/9/13/1530/xml |
| article xml file uploaded | 30 June 2021 11:54 CEST | Original file | - |
| article pdf uploaded. | 29 June 2021 14:36 CEST | Version of Record | https://www.mdpi.com/2227-7390/9/13/1530/pdf-vor |
