| article html file updated | 1 September 2025 00:05 CEST | Update | https://www.mdpi.com/2223-7747/9/6/764 |
| article html file updated | 21 July 2022 21:20 CEST | Update | - |
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| article pdf uploaded. | 23 June 2020 17:29 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/764/pdf |
| article xml uploaded. | 23 June 2020 17:29 CEST | Update | https://www.mdpi.com/2223-7747/9/6/764/xml |
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| article pdf uploaded. | 18 June 2020 17:07 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/764/pdf-vor |
