| article html file updated | 15 August 2026 07:35 CEST | Update | https://www.mdpi.com/1996-1073/11/9/2471 |
| article html file updated | 10 February 2020 11:22 CET | Update | N/A |
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| article html file updated | 17 September 2018 14:16 CEST | Original file | N/A |
| article pdf uploaded. | 17 September 2018 13:17 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/9/2471/pdf |
| article xml uploaded. | 17 September 2018 13:17 CEST | Update | https://www.mdpi.com/1996-1073/11/9/2471/xml |
| article xml file uploaded | 17 September 2018 13:17 CEST | Original file | N/A |
