| article html file updated | 1 September 2025 22:31 CEST | Update | https://www.mdpi.com/2227-7390/9/4/442 |
| article html file updated | 22 August 2025 00:40 CEST | Update | - |
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| article html file updated | 25 February 2021 10:25 CET | Update | - |
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| article pdf uploaded. | 25 February 2021 08:46 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/4/442/pdf |
| article xml uploaded. | 25 February 2021 08:46 CET | Update | https://www.mdpi.com/2227-7390/9/4/442/xml |
| article xml file uploaded | 25 February 2021 08:46 CET | Original file | - |
| article pdf uploaded. | 24 February 2021 02:00 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/4/442/pdf-vor |
| article pdf uploaded. | 23 February 2021 11:55 CET | Version of Record | https://www.mdpi.com/2227-7390/9/4/442/pdf-vor |
