| article html file updated | 19 August 2026 06:01 CEST | Update | https://www.mdpi.com/2227-9032/9/4/408 |
| article html file updated | 2 September 2025 02:30 CEST | Update | N/A |
| article html file updated | 25 July 2022 10:25 CEST | Update | N/A |
| article html file updated | 4 August 2021 01:19 CEST | Update | N/A |
| article html file updated | 4 August 2021 01:05 CEST | Update | N/A |
| article html file updated | 11 April 2021 00:11 CEST | Update | N/A |
| article html file updated | 3 April 2021 10:01 CEST | Update | N/A |
| article html file updated | 2 April 2021 12:31 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2021 12:29 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/408/pdf |
| article xml uploaded. | 2 April 2021 12:29 CEST | Update | https://www.mdpi.com/2227-9032/9/4/408/xml |
| article xml file uploaded | 2 April 2021 12:29 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2021 16:46 CEST | Version of Record | https://www.mdpi.com/2227-9032/9/4/408/pdf-vor |
