| article html file updated | 7 September 2025 17:26 CEST | Update | https://www.mdpi.com/2218-1997/8/2/87 |
| article html file updated | 31 July 2022 07:38 CEST | Update | - |
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| article pdf uploaded. | 11 February 2022 05:03 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/87/pdf |
| article xml uploaded. | 11 February 2022 05:03 CET | Update | https://www.mdpi.com/2218-1997/8/2/87/xml |
| article xml file uploaded | 11 February 2022 05:03 CET | Original file | - |
| article pdf uploaded. | 29 January 2022 08:57 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/87/pdf-vor |
