| article html file updated | 24 December 2025 18:33 CET | Update | https://www.mdpi.com/1996-1944/13/9/2015 |
| article html file updated | 31 August 2025 18:33 CEST | Update | - |
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| article html file updated | 7 May 2020 15:23 CEST | Original file | - |
| article pdf uploaded. | 7 May 2020 15:21 CEST | Updated version of record | https://www.mdpi.com/1996-1944/13/9/2015/pdf |
| article xml uploaded. | 7 May 2020 15:21 CEST | Update | https://www.mdpi.com/1996-1944/13/9/2015/xml |
| article xml file uploaded | 7 May 2020 15:21 CEST | Update | - |
| article pdf uploaded. | 25 April 2020 13:32 CEST | Version of Record | https://www.mdpi.com/1996-1944/13/9/2015/pdf-vor |
| article xml file uploaded | 25 April 2020 13:32 CEST | Original file | - |
