| article html file updated | 31 August 2025 11:30 CEST | Update | https://www.mdpi.com/1996-1073/13/4/806 |
| article html file updated | 20 July 2022 20:01 CEST | Update | - |
| article html file updated | 7 March 2020 10:26 CET | Update | - |
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| article html file updated | 18 February 2020 02:49 CET | Original file | - |
| article pdf uploaded. | 18 February 2020 02:47 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/806/pdf |
| article xml uploaded. | 18 February 2020 02:47 CET | Update | https://www.mdpi.com/1996-1073/13/4/806/xml |
| article xml file uploaded | 18 February 2020 02:47 CET | Update | - |
| article pdf uploaded. | 12 February 2020 16:04 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/806/pdf-vor |
| article xml file uploaded | 12 February 2020 16:04 CET | Original file | - |
