| article html file updated | 29 August 2025 21:30 CEST | Update | https://www.mdpi.com/1660-4601/12/2/1817 |
| article html file updated | 15 July 2022 23:50 CEST | Update | - |
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| article pdf uploaded. | 9 February 2015 08:26 CET | Updated version of record | https://www.mdpi.com/1660-4601/12/2/1817/pdf |
| article pdf uploaded. | 6 February 2015 09:06 CET | Updated version of record | https://www.mdpi.com/1660-4601/12/2/1817/pdf-vor |
| article pdf uploaded. | 5 February 2015 10:44 CET | Version of Record | https://www.mdpi.com/1660-4601/12/2/1817/pdf-vor |
