| article html file updated | 31 August 2025 07:07 CEST | Update | https://www.mdpi.com/1999-4923/12/1/11 |
| article html file updated | 19 July 2022 21:09 CEST | Update | - |
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| article html file updated | 27 December 2019 06:38 CET | Original file | - |
| article pdf uploaded. | 27 December 2019 06:36 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/11/pdf |
| article xml uploaded. | 27 December 2019 06:36 CET | Update | https://www.mdpi.com/1999-4923/12/1/11/xml |
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| article pdf uploaded. | 20 December 2019 15:13 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/11/pdf-vor |
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