| article html file updated | 30 August 2025 22:32 CEST | Update | https://www.mdpi.com/2218-1997/5/7/174 |
| article html file updated | 21 August 2025 21:43 CEST | Update | - |
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| article html file updated | 19 July 2019 04:46 CEST | Original file | - |
| article pdf uploaded. | 19 July 2019 04:45 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/7/174/pdf |
| article xml uploaded. | 19 July 2019 04:45 CEST | Update | https://www.mdpi.com/2218-1997/5/7/174/xml |
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| article pdf uploaded. | 15 July 2019 16:36 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/7/174/pdf-vor |
| article xml file uploaded | 15 July 2019 16:36 CEST | Original file | - |
