| article html file updated | 10 June 2021 10:57 CEST | Update | https://www.mdpi.com/2076-0787/10/2/71 |
| article pdf uploaded. | 10 June 2021 10:56 CEST | Updated version of record | https://www.mdpi.com/2076-0787/10/2/71/pdf |
| article xml uploaded. | 10 June 2021 10:56 CEST | Update | https://www.mdpi.com/2076-0787/10/2/71/xml |
| article xml file uploaded | 10 June 2021 10:56 CEST | Update | - |
| article html file updated | 21 April 2021 11:25 CEST | Update | - |
| article pdf uploaded. | 21 April 2021 11:24 CEST | Updated version of record | https://www.mdpi.com/2076-0787/10/2/71/pdf-vor |
| article xml file uploaded | 21 April 2021 11:24 CEST | Update | - |
| article html file updated | 21 April 2021 10:53 CEST | Original file | - |
| article pdf uploaded. | 21 April 2021 10:51 CEST | Version of Record | https://www.mdpi.com/2076-0787/10/2/71/pdf-vor |
| article xml file uploaded | 21 April 2021 10:51 CEST | Original file | - |
