| article html file updated | 20 August 2026 19:06 CEST | Update | https://www.mdpi.com/2227-7390/9/21/2770 |
| article html file updated | 2 November 2021 09:29 CET | Original file | N/A |
| article pdf uploaded. | 2 November 2021 09:27 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/21/2770/pdf |
| article xml uploaded. | 2 November 2021 09:27 CET | Update | https://www.mdpi.com/2227-7390/9/21/2770/xml |
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| article pdf uploaded. | 1 November 2021 13:22 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/21/2770/pdf-vor |
| article pdf uploaded. | 1 November 2021 13:07 CET | Version of Record | https://www.mdpi.com/2227-7390/9/21/2770/pdf-vor |
