| article html file updated | 30 August 2025 05:41 CEST | Update | https://www.mdpi.com/1996-1073/11/8/1989 |
| article html file updated | 17 July 2022 00:05 CEST | Update | - |
| article html file updated | 10 February 2020 03:47 CET | Update | - |
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| article html file updated | 28 August 2018 03:49 CEST | Update | - |
| article html file updated | 31 July 2018 13:35 CEST | Original file | - |
| article pdf uploaded. | 31 July 2018 13:33 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/1989/pdf |
| article xml uploaded. | 31 July 2018 13:33 CEST | Update | https://www.mdpi.com/1996-1073/11/8/1989/xml |
| article xml file uploaded | 31 July 2018 13:33 CEST | Original file | - |
