| article html file updated | 1 September 2025 13:23 CEST | Update | https://www.mdpi.com/2218-1997/6/11/208 |
| article html file updated | 23 July 2022 00:56 CEST | Update | N/A |
| article html file updated | 27 November 2020 06:58 CET | Update | N/A |
| article html file updated | 13 November 2020 10:49 CET | Original file | N/A |
| article pdf uploaded. | 13 November 2020 10:47 CET | Version of Record | https://www.mdpi.com/2218-1997/6/11/208/pdf |
| article xml uploaded. | 13 November 2020 10:47 CET | Update | https://www.mdpi.com/2218-1997/6/11/208/xml |
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