| article html file updated | 27 July 2022 01:18 CEST | Update | https://www.mdpi.com/1999-4923/13/7/921 |
| article html file updated | 22 June 2021 08:13 CEST | Original file | N/A |
| article pdf uploaded. | 22 June 2021 08:11 CEST | Version of Record | https://www.mdpi.com/1999-4923/13/7/921/pdf |
| article xml uploaded. | 22 June 2021 08:11 CEST | Update | https://www.mdpi.com/1999-4923/13/7/921/xml |
| article xml file uploaded | 22 June 2021 08:11 CEST | Original file | N/A |
