| article html file updated | 30 July 2022 21:54 CEST | Update | https://www.mdpi.com/2218-1997/7/12/491 |
| article html file updated | 13 December 2021 06:41 CET | Update | - |
| article pdf uploaded. | 13 December 2021 06:40 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/491/pdf |
| article xml uploaded. | 13 December 2021 06:40 CET | Update | https://www.mdpi.com/2218-1997/7/12/491/xml |
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| article html file updated | 13 December 2021 05:59 CET | Original file | - |
| article pdf uploaded. | 13 December 2021 05:58 CET | Version of Record | - |
| article xml uploaded. | 13 December 2021 05:58 CET | Update | - |
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