| article html file updated | 16 August 2026 04:51 CEST | Update | https://www.mdpi.com/2223-7747/8/7/217 |
| article html file updated | 30 August 2025 22:23 CEST | Update | N/A |
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| article html file updated | 16 July 2019 05:47 CEST | Original file | N/A |
| article pdf uploaded. | 16 July 2019 05:46 CEST | Updated version of record | https://www.mdpi.com/2223-7747/8/7/217/pdf |
| article xml uploaded. | 16 July 2019 05:46 CEST | Update | https://www.mdpi.com/2223-7747/8/7/217/xml |
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| article pdf uploaded. | 11 July 2019 17:11 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/7/217/pdf-vor |
| article xml file uploaded | 11 July 2019 17:11 CEST | Original file | N/A |
