| article html file updated | 30 August 2025 06:47 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1668 |
| article html file updated | 17 July 2022 02:24 CEST | Update | - |
| article html file updated | 10 February 2020 10:00 CET | Update | - |
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| article html file updated | 28 September 2018 12:31 CEST | Update | - |
| article html file updated | 10 September 2018 11:27 CEST | Original file | - |
| article pdf uploaded. | 10 September 2018 11:26 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/9/1668/pdf |
| article xml uploaded. | 10 September 2018 11:26 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1668/xml |
| article xml file uploaded | 10 September 2018 11:25 CEST | Update | - |
| article pdf uploaded. | 9 September 2018 11:36 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/9/1668/pdf-vor |
| article xml file uploaded | 9 September 2018 11:36 CEST | Original file | - |
