| article html file updated | 31 August 2025 04:31 CEST | Update | https://www.mdpi.com/2218-273X/9/11/731 |
| article html file updated | 19 July 2022 23:47 CEST | Update | - |
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| article html file updated | 21 November 2019 11:30 CET | Original file | - |
| article pdf uploaded. | 21 November 2019 11:29 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/11/731/pdf |
| article xml uploaded. | 21 November 2019 11:29 CET | Update | https://www.mdpi.com/2218-273X/9/11/731/xml |
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| article pdf uploaded. | 12 November 2019 17:16 CET | Version of Record | https://www.mdpi.com/2218-273X/9/11/731/pdf-vor |
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