| article html file updated | 31 August 2025 08:36 CEST | Update | https://www.mdpi.com/1999-4923/12/1/53 |
| article html file updated | 19 July 2022 19:44 CEST | Update | - |
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| article html file updated | 22 January 2020 13:54 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 13:53 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/53/pdf |
| article xml uploaded. | 22 January 2020 13:53 CET | Update | https://www.mdpi.com/1999-4923/12/1/53/xml |
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| article pdf uploaded. | 9 January 2020 14:52 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/53/pdf-vor |
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