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| article html file updated | 21 August 2025 20:51 CEST | Update | - |
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| article pdf uploaded. | 6 May 2019 10:15 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1662/pdf |
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| article pdf uploaded. | 1 May 2019 09:30 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1662/pdf-vor |
| article xml file uploaded | 1 May 2019 09:30 CEST | Original file | - |