| article html file updated | 30 July 2022 04:46 CEST | Update | https://www.mdpi.com/1660-3397/19/9/509 |
| article html file updated | 8 September 2021 06:29 CEST | Original file | - |
| article pdf uploaded. | 8 September 2021 06:28 CEST | Version of Record | https://www.mdpi.com/1660-3397/19/9/509/pdf |
| article xml uploaded. | 8 September 2021 06:28 CEST | Update | https://www.mdpi.com/1660-3397/19/9/509/xml |
| article xml file uploaded | 8 September 2021 06:28 CEST | Original file | - |
