| article html file updated | 27 July 2022 04:56 CEST | Update | https://www.mdpi.com/1999-4907/12/7/921 |
| article html file updated | 16 July 2021 10:45 CEST | Update | N/A |
| article pdf uploaded. | 16 July 2021 10:44 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/7/921/pdf |
| article xml uploaded. | 16 July 2021 10:44 CEST | Update | https://www.mdpi.com/1999-4907/12/7/921/xml |
| article xml file uploaded | 16 July 2021 10:44 CEST | Update | N/A |
| article html file updated | 15 July 2021 11:18 CEST | Original file | N/A |
| article pdf uploaded. | 15 July 2021 11:16 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/7/921/pdf-vor |
| article xml file uploaded | 15 July 2021 11:16 CEST | Original file | N/A |
