| article html file updated | 29 August 2025 21:06 CEST | Update | https://www.mdpi.com/1660-4601/11/6/6021 |
| article html file updated | 15 July 2022 23:06 CEST | Update | - |
| article html file updated | 6 February 2020 09:47 CET | Update | - |
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| article html file updated | 2 July 2014 12:32 CEST | Original file | - |
| article xml file uploaded | 2 July 2014 12:32 CEST | Original file | https://www.mdpi.com/1660-4601/11/6/6021/xml |
| article pdf uploaded. | 10 June 2014 16:05 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/6/6021/pdf |
| article pdf uploaded. | 6 June 2014 14:14 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/6/6021/pdf-vor |
