| article html file updated | 31 August 2025 18:20 CEST | Update | https://www.mdpi.com/2223-7747/9/4/548 |
| article html file updated | 21 August 2025 23:48 CEST | Update | - |
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| article pdf uploaded. | 27 April 2020 11:33 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/548/pdf |
| article xml uploaded. | 27 April 2020 11:33 CEST | Update | https://www.mdpi.com/2223-7747/9/4/548/xml |
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| article pdf uploaded. | 23 April 2020 13:34 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/548/pdf-vor |
| article xml file uploaded | 23 April 2020 13:34 CEST | Original file | - |
