| article html file updated | 19 August 2026 08:25 CEST | Update | https://www.mdpi.com/2218-1989/11/4/249 |
| article html file updated | 25 December 2025 08:39 CET | Update | N/A |
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| article html file updated | 19 April 2021 11:26 CEST | Original file | N/A |
| article pdf uploaded. | 19 April 2021 11:24 CEST | Updated version of record | https://www.mdpi.com/2218-1989/11/4/249/pdf |
| article xml uploaded. | 19 April 2021 11:24 CEST | Update | https://www.mdpi.com/2218-1989/11/4/249/xml |
| article xml file uploaded | 19 April 2021 11:24 CEST | Original file | N/A |
| article pdf uploaded. | 17 April 2021 15:21 CEST | Version of Record | https://www.mdpi.com/2218-1989/11/4/249/pdf-vor |
