| article html file updated | 5 August 2021 05:27 CEST | Update | https://www.mdpi.com/2077-1444/12/4/268 |
| article html file updated | 13 April 2021 11:57 CEST | Original file | - |
| article pdf uploaded. | 13 April 2021 11:56 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/4/268/pdf |
| article xml uploaded. | 13 April 2021 11:56 CEST | Update | https://www.mdpi.com/2077-1444/12/4/268/xml |
| article xml file uploaded | 13 April 2021 11:56 CEST | Original file | - |
