| article html file updated | 31 August 2025 05:38 CEST | Update | https://www.mdpi.com/2218-273X/9/12/819 |
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| article html file updated | 31 December 2019 12:25 CET | Update | - |
| article html file updated | 19 December 2019 05:24 CET | Original file | - |
| article pdf uploaded. | 19 December 2019 05:23 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/12/819/pdf |
| article xml uploaded. | 19 December 2019 05:23 CET | Update | https://www.mdpi.com/2218-273X/9/12/819/xml |
| article xml file uploaded | 19 December 2019 05:23 CET | Update | - |
| article pdf uploaded. | 3 December 2019 15:04 CET | Version of Record | https://www.mdpi.com/2218-273X/9/12/819/pdf-vor |
| article xml file uploaded | 3 December 2019 15:04 CET | Original file | - |
