| article html file updated | 13 August 2026 02:32 CEST | Update | https://www.mdpi.com/1424-2818/6/3/551 |
| article html file updated | 6 February 2020 11:16 CET | Update | N/A |
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| article xml file uploaded | 26 September 2014 09:54 CEST | Original file | https://www.mdpi.com/1424-2818/6/3/551/xml |
| article pdf uploaded. | 8 August 2014 11:33 CEST | Updated version of record | https://www.mdpi.com/1424-2818/6/3/551/pdf |
| article pdf uploaded. | 7 August 2014 08:52 CEST | Version of Record | https://www.mdpi.com/1424-2818/6/3/551/pdf-vor |
