| article html file updated | 30 August 2025 08:57 CEST | Update | https://www.mdpi.com/2218-1997/4/11/128 |
| article html file updated | 17 July 2022 09:46 CEST | Update | - |
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| article html file updated | 26 November 2018 06:33 CET | Update | - |
| article html file updated | 21 November 2018 02:39 CET | Original file | - |
| article xml uploaded. | 21 November 2018 02:38 CET | Update | https://www.mdpi.com/2218-1997/4/11/128/xml |
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| article pdf uploaded. | 21 November 2018 02:38 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/128/pdf |
| article pdf uploaded. | 17 November 2018 11:36 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/128/pdf-vor |
| article pdf uploaded. | 17 November 2018 11:33 CET | Version of Record | https://www.mdpi.com/2218-1997/4/11/128/pdf-vor |
| article xml file uploaded | 17 November 2018 11:33 CET | Original file | - |