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| article html file updated | 24 December 2025 15:44 CET | Update | N/A |
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| article html file updated | 11 September 2019 17:36 CEST | Original file | N/A |
| article pdf uploaded. | 11 September 2019 11:08 CEST | Updated version of record | https://www.mdpi.com/2072-6651/11/9/504/pdf |
| article xml uploaded. | 11 September 2019 11:08 CEST | Update | https://www.mdpi.com/2072-6651/11/9/504/xml |
| article xml file uploaded | 11 September 2019 11:08 CEST | Update | N/A |
| article pdf uploaded. | 29 August 2019 15:41 CEST | Version of Record | https://www.mdpi.com/2072-6651/11/9/504/pdf-vor |
| article xml file uploaded | 29 August 2019 15:41 CEST | Original file | N/A |
