| article html file updated | 16 August 2026 22:25 CEST | Update | https://www.mdpi.com/2071-1050/12/1/252 |
| article html file updated | 31 August 2025 07:38 CEST | Update | N/A |
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| article pdf uploaded. | 31 December 2019 12:10 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/1/252/pdf |
| article xml uploaded. | 31 December 2019 12:10 CET | Update | https://www.mdpi.com/2071-1050/12/1/252/xml |
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| article pdf uploaded. | 27 December 2019 17:17 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/252/pdf-vor |
| article xml file uploaded | 27 December 2019 17:17 CET | Original file | N/A |
