| article html file updated | 30 August 2025 14:28 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1615 |
| article html file updated | 19 July 2022 18:00 CEST | Update | - |
| article html file updated | 12 February 2020 08:25 CET | Update | - |
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| article html file updated | 28 April 2019 10:25 CEST | Original file | - |
| article pdf uploaded. | 28 April 2019 10:24 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1615/pdf |
| article xml uploaded. | 28 April 2019 10:24 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1615/xml |
| article xml file uploaded | 28 April 2019 10:24 CEST | Original file | - |
