| article html file updated | 30 August 2025 06:55 CEST | Update | https://www.mdpi.com/1996-1073/11/9/2431 |
| article html file updated | 17 July 2022 02:43 CEST | Update | - |
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| article html file updated | 25 September 2018 14:18 CEST | Update | - |
| article html file updated | 14 September 2018 11:06 CEST | Original file | - |
| article pdf uploaded. | 14 September 2018 10:45 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/9/2431/pdf |
| article xml uploaded. | 14 September 2018 10:45 CEST | Update | https://www.mdpi.com/1996-1073/11/9/2431/xml |
| article xml file uploaded | 14 September 2018 10:45 CEST | Update | - |
| article pdf uploaded. | 13 September 2018 16:39 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/9/2431/pdf-vor |
| article pdf uploaded. | 13 September 2018 16:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/9/2431/pdf-vor |
| article xml file uploaded | 13 September 2018 16:38 CEST | Original file | - |
