| article html file updated | 3 August 2021 21:41 CEST | Update | https://www.mdpi.com/2297-8739/8/4/41 |
| article html file updated | 10 April 2021 20:03 CEST | Update | - |
| article html file updated | 1 April 2021 09:00 CEST | Original file | - |
| article pdf uploaded. | 1 April 2021 08:59 CEST | Version of Record | https://www.mdpi.com/2297-8739/8/4/41/pdf |
| article xml uploaded. | 1 April 2021 08:59 CEST | Update | https://www.mdpi.com/2297-8739/8/4/41/xml |
| article xml file uploaded | 1 April 2021 08:59 CEST | Original file | - |
