| article html file updated | 27 July 2022 06:34 CEST | Update | https://www.mdpi.com/1999-4907/12/8/991 |
| article html file updated | 28 July 2021 10:02 CEST | Update | N/A |
| article html file updated | 28 July 2021 03:47 CEST | Original file | N/A |
| article pdf uploaded. | 28 July 2021 03:46 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/8/991/pdf |
| article xml uploaded. | 28 July 2021 03:46 CEST | Update | https://www.mdpi.com/1999-4907/12/8/991/xml |
| article xml file uploaded | 28 July 2021 03:46 CEST | Original file | N/A |
| article pdf uploaded. | 26 July 2021 14:22 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/8/991/pdf-vor |
