| article html file updated | 22 June 2021 09:05 CEST | Update | https://www.mdpi.com/2076-393X/9/6/652 |
| article pdf uploaded. | 22 June 2021 09:04 CEST | Updated version of record | https://www.mdpi.com/2076-393X/9/6/652/pdf |
| article xml uploaded. | 22 June 2021 09:04 CEST | Update | https://www.mdpi.com/2076-393X/9/6/652/xml |
| article xml file uploaded | 22 June 2021 09:04 CEST | Update | - |
| article html file updated | 15 June 2021 09:20 CEST | Original file | - |
| article pdf uploaded. | 15 June 2021 09:19 CEST | Version of Record | https://www.mdpi.com/2076-393X/9/6/652/pdf-vor |
| article xml file uploaded | 15 June 2021 09:19 CEST | Original file | - |
