| article html file updated | 4 August 2021 03:29 CEST | Update | https://www.mdpi.com/2226-4310/8/4/101 |
| article html file updated | 4 August 2021 03:19 CEST | Update | - |
| article html file updated | 11 April 2021 03:08 CEST | Update | - |
| article html file updated | 11 April 2021 02:41 CEST | Update | - |
| article html file updated | 7 April 2021 12:34 CEST | Update | - |
| article pdf uploaded. | 7 April 2021 12:33 CEST | Updated version of record | https://www.mdpi.com/2226-4310/8/4/101/pdf |
| article xml uploaded. | 7 April 2021 12:33 CEST | Update | https://www.mdpi.com/2226-4310/8/4/101/xml |
| article xml file uploaded | 7 April 2021 12:33 CEST | Update | - |
| article html file updated | 2 April 2021 13:16 CEST | Original file | - |
| article pdf uploaded. | 2 April 2021 13:15 CEST | Version of Record | https://www.mdpi.com/2226-4310/8/4/101/pdf-vor |
| article xml file uploaded | 2 April 2021 13:15 CEST | Original file | - |
