| article html file updated | 29 August 2025 21:03 CEST | Update | https://www.mdpi.com/1911-8074/7/2/45 |
| article html file updated | 15 July 2022 23:02 CEST | Update | N/A |
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| article pdf uploaded. | 9 May 2014 16:57 CEST | Updated version of record | https://www.mdpi.com/1911-8074/7/2/45/pdf |
| article pdf uploaded. | 8 May 2014 16:59 CEST | Version of Record | https://www.mdpi.com/1911-8074/7/2/45/pdf-vor |
