| article html file updated | 31 August 2025 23:41 CEST | Update | https://www.mdpi.com/2218-2004/8/2/28 |
| article html file updated | 21 July 2022 20:56 CEST | Update | N/A |
| article html file updated | 29 June 2020 10:08 CEST | Original file | N/A |
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| article xml uploaded. | 29 June 2020 10:06 CEST | Update | https://www.mdpi.com/2218-2004/8/2/28/xml |
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| article pdf uploaded. | 15 June 2020 14:14 CEST | Version of Record | https://www.mdpi.com/2218-2004/8/2/28/pdf-vor |
