| article html file updated | 31 August 2025 04:25 CEST | Update | https://www.mdpi.com/2312-7481/5/4/61 |
| article html file updated | 19 July 2022 23:54 CEST | Update | - |
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| article html file updated | 31 December 2019 19:54 CET | Update | - |
| article html file updated | 12 November 2019 12:13 CET | Original file | - |
| article pdf uploaded. | 12 November 2019 12:11 CET | Updated version of record | https://www.mdpi.com/2312-7481/5/4/61/pdf |
| article xml uploaded. | 12 November 2019 12:11 CET | Update | https://www.mdpi.com/2312-7481/5/4/61/xml |
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| article pdf uploaded. | 10 November 2019 12:05 CET | Version of Record | https://www.mdpi.com/2312-7481/5/4/61/pdf-vor |
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