| article html file updated | 25 December 2025 07:21 CET | Update | https://www.mdpi.com/2227-7080/9/2/23 |
| article html file updated | 2 September 2025 02:23 CEST | Update | N/A |
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| article pdf uploaded. | 6 April 2021 04:12 CEST | Updated version of record | https://www.mdpi.com/2227-7080/9/2/23/pdf |
| article xml uploaded. | 6 April 2021 04:12 CEST | Update | https://www.mdpi.com/2227-7080/9/2/23/xml |
| article xml file uploaded | 6 April 2021 04:12 CEST | Update | N/A |
| article html file updated | 1 April 2021 08:55 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2021 08:53 CEST | Version of Record | https://www.mdpi.com/2227-7080/9/2/23/pdf-vor |
| article xml file uploaded | 1 April 2021 08:53 CEST | Original file | N/A |