| article html file updated | 30 August 2025 05:27 CEST | Update | https://www.mdpi.com/1996-1073/11/7/1909 |
| article html file updated | 16 July 2022 23:35 CEST | Update | N/A |
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| article html file updated | 24 July 2018 09:00 CEST | Update | N/A |
| article xml uploaded. | 24 July 2018 08:58 CEST | Update | https://www.mdpi.com/1996-1073/11/7/1909/xml |
| article pdf uploaded. | 24 July 2018 08:58 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/7/1909/pdf |
| article html file updated | 21 July 2018 12:56 CEST | Original file | N/A |
| article pdf uploaded. | 21 July 2018 12:54 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/7/1909/pdf-vor |
| article xml file uploaded | 21 July 2018 12:54 CEST | Original file | N/A |
