| article html file updated | 31 August 2025 21:31 CEST | Update | https://www.mdpi.com/2075-1702/8/2/27 |
| article html file updated | 21 July 2022 05:55 CEST | Update | - |
| article html file updated | 4 June 2020 12:28 CEST | Original file | - |
| article pdf uploaded. | 4 June 2020 12:27 CEST | Updated version of record | https://www.mdpi.com/2075-1702/8/2/27/pdf |
| article xml uploaded. | 4 June 2020 12:27 CEST | Update | https://www.mdpi.com/2075-1702/8/2/27/xml |
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| article pdf uploaded. | 25 May 2020 13:30 CEST | Version of Record | https://www.mdpi.com/2075-1702/8/2/27/pdf-vor |
| article xml file uploaded | 25 May 2020 13:30 CEST | Original file | - |
