| article html file updated | 25 June 2021 16:38 CEST | Original file | https://www.mdpi.com/2077-1444/12/7/473 |
| article pdf uploaded. | 25 June 2021 16:36 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/7/473/pdf |
| article xml uploaded. | 25 June 2021 16:36 CEST | Update | https://www.mdpi.com/2077-1444/12/7/473/xml |
| article xml file uploaded | 25 June 2021 16:36 CEST | Original file | N/A |
