| article html file updated | 30 July 2022 05:57 CEST | Update | https://www.mdpi.com/1660-3397/19/9/520 |
| article html file updated | 17 September 2021 05:14 CEST | Update | N/A |
| article html file updated | 17 September 2021 05:13 CEST | Original file | N/A |
| article pdf uploaded. | 17 September 2021 05:12 CEST | Updated version of record | https://www.mdpi.com/1660-3397/19/9/520/pdf |
| article xml uploaded. | 17 September 2021 05:12 CEST | Update | https://www.mdpi.com/1660-3397/19/9/520/xml |
| article xml file uploaded | 17 September 2021 05:12 CEST | Original file | N/A |
| article pdf uploaded. | 16 September 2021 10:03 CEST | Updated version of record | https://www.mdpi.com/1660-3397/19/9/520/pdf-vor |
| article pdf uploaded. | 15 September 2021 13:43 CEST | Version of Record | https://www.mdpi.com/1660-3397/19/9/520/pdf-vor |
