| article html file updated | 30 August 2025 22:29 CEST | Update | https://www.mdpi.com/2218-1997/5/7/172 |
| article html file updated | 21 August 2025 21:42 CEST | Update | - |
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| article pdf uploaded. | 16 July 2019 11:49 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/7/172/pdf |
| article xml uploaded. | 16 July 2019 11:49 CEST | Update | https://www.mdpi.com/2218-1997/5/7/172/xml |
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| article pdf uploaded. | 14 July 2019 10:40 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/7/172/pdf-vor |
| article xml file uploaded | 14 July 2019 10:40 CEST | Original file | - |
