| article html file updated | 31 July 2022 00:07 CEST | Update | https://www.mdpi.com/2227-9067/9/1/6 |
| article html file updated | 26 December 2021 11:56 CET | Original file | - |
| article pdf uploaded. | 26 December 2021 11:55 CET | Updated version of record | https://www.mdpi.com/2227-9067/9/1/6/pdf |
| article xml uploaded. | 26 December 2021 11:55 CET | Update | https://www.mdpi.com/2227-9067/9/1/6/xml |
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| article pdf uploaded. | 23 December 2021 13:56 CET | Version of Record | https://www.mdpi.com/2227-9067/9/1/6/pdf-vor |
