| article html file updated | 31 August 2025 16:05 CEST | Update | https://www.mdpi.com/2079-4983/11/2/21 |
| article html file updated | 21 July 2022 00:34 CEST | Update | - |
| article html file updated | 15 April 2020 06:32 CEST | Original file | - |
| article pdf uploaded. | 15 April 2020 06:31 CEST | Updated version of record | https://www.mdpi.com/2079-4983/11/2/21/pdf |
| article xml uploaded. | 15 April 2020 06:31 CEST | Update | https://www.mdpi.com/2079-4983/11/2/21/xml |
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| article pdf uploaded. | 1 April 2020 10:30 CEST | Version of Record | https://www.mdpi.com/2079-4983/11/2/21/pdf-vor |
| article xml file uploaded | 1 April 2020 10:30 CEST | Original file | - |
