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| article html file updated | 20 July 2022 00:31 CEST | Update | - |
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| article html file updated | 27 November 2019 17:37 CET | Update | - |
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| article pdf uploaded. | 18 November 2019 03:38 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/11/468/pdf |
| article xml uploaded. | 18 November 2019 03:38 CET | Update | https://www.mdpi.com/2223-7747/8/11/468/xml |
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| article html file updated | 5 November 2019 05:29 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 05:27 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/11/468/pdf-vor |
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| article pdf uploaded. | 31 October 2019 17:22 CET | Version of Record | https://www.mdpi.com/2223-7747/8/11/468/pdf-vor |
| article xml file uploaded | 31 October 2019 17:22 CET | Original file | - |
