| article html file updated | 15 July 2022 22:55 CEST | Update | https://www.mdpi.com/1424-8220/14/3/4856 |
| article html file updated | 6 February 2020 07:49 CET | Update | - |
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| article xml file uploaded | 25 July 2014 09:52 CEST | Update | https://www.mdpi.com/1424-8220/14/3/4856/xml |
| article html file updated | 2 May 2014 14:14 CEST | Original file | - |
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| article pdf uploaded. | 11 March 2014 14:21 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/3/4856/pdf |
| article pdf uploaded. | 10 March 2014 11:23 CET | Version of Record | https://www.mdpi.com/1424-8220/14/3/4856/pdf-vor |