| article html file updated | 20 August 2026 20:20 CEST | Update | https://www.mdpi.com/2227-9717/9/11/1991 |
| article html file updated | 30 July 2022 15:33 CEST | Update | N/A |
| article html file updated | 11 November 2021 12:26 CET | Update | N/A |
| article pdf uploaded. | 11 November 2021 12:25 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/11/1991/pdf |
| article xml uploaded. | 11 November 2021 12:25 CET | Update | https://www.mdpi.com/2227-9717/9/11/1991/xml |
| article xml file uploaded | 11 November 2021 12:25 CET | Update | N/A |
| article html file updated | 8 November 2021 16:11 CET | Original file | N/A |
| article pdf uploaded. | 8 November 2021 16:09 CET | Version of Record | https://www.mdpi.com/2227-9717/9/11/1991/pdf-vor |
| article xml uploaded. | 8 November 2021 16:09 CET | Update | N/A |
| article xml file uploaded | 8 November 2021 16:09 CET | Original file | N/A |
