| article html file updated | 31 August 2025 05:56 CEST | Update | https://www.mdpi.com/1999-4923/11/12/657 |
| article html file updated | 19 July 2022 22:18 CEST | Update | - |
| article html file updated | 14 February 2020 16:32 CET | Update | - |
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| article html file updated | 30 December 2019 23:49 CET | Update | - |
| article html file updated | 6 December 2019 12:31 CET | Original file | - |
| article pdf uploaded. | 6 December 2019 12:30 CET | Version of Record | https://www.mdpi.com/1999-4923/11/12/657/pdf |
| article xml uploaded. | 6 December 2019 12:30 CET | Update | https://www.mdpi.com/1999-4923/11/12/657/xml |
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