| article html file updated | 20 August 2026 14:35 CEST | Update | https://www.mdpi.com/2199-8531/7/4/213 |
| article html file updated | 30 July 2022 09:51 CEST | Update | N/A |
| article html file updated | 29 November 2021 08:16 CET | Update | N/A |
| article pdf uploaded. | 29 November 2021 08:14 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/4/213/pdf |
| article xml uploaded. | 29 November 2021 08:14 CET | Update | https://www.mdpi.com/2199-8531/7/4/213/xml |
| article xml file uploaded | 29 November 2021 08:14 CET | Update | N/A |
| article html file updated | 9 October 2021 06:10 CEST | Original file | N/A |
| article pdf uploaded. | 9 October 2021 06:09 CEST | Version of Record | https://www.mdpi.com/2199-8531/7/4/213/pdf-vor |
| article xml uploaded. | 9 October 2021 06:09 CEST | Update | N/A |
| article xml file uploaded | 9 October 2021 06:09 CEST | Original file | N/A |
