| article html file updated | 30 August 2025 14:30 CEST | Update | https://www.mdpi.com/2071-1050/11/9/2503 |
| article html file updated | 19 July 2022 18:02 CEST | Update | - |
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| article xml uploaded. | 3 May 2019 16:33 CEST | Update | https://www.mdpi.com/2071-1050/11/9/2503/xml |
| article pdf uploaded. | 3 May 2019 16:33 CEST | Updated version of record | https://www.mdpi.com/2071-1050/11/9/2503/pdf |
| article html file updated | 29 April 2019 10:43 CEST | Original file | - |
| article pdf uploaded. | 29 April 2019 10:42 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/9/2503/pdf-vor |
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