| article html file updated | 6 February 2020 02:29 CET | Update | https://www.mdpi.com/1422-0067/14/6/11830 |
| article html file updated | 8 May 2019 04:23 CEST | Update | N/A |
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| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1422-0067/14/6/11830/xml |
| article html file updated | 19 July 2013 10:33 CEST | Original file | N/A |
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| article pdf uploaded. | 4 June 2013 14:09 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/11830/pdf |