| article html file updated | 6 February 2020 12:17 CET | Update | https://www.mdpi.com/1424-8247/7/9/943 |
| article html file updated | 20 September 2019 12:59 CEST | Update | - |
| article html file updated | 7 May 2019 08:13 CEST | Update | - |
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| article html file updated | 20 August 2015 19:37 CEST | Update | - |
| article html file updated | 9 October 2014 11:24 CEST | Original file | - |
| article xml file uploaded | 9 October 2014 11:24 CEST | Original file | https://www.mdpi.com/1424-8247/7/9/943/xml |
| article pdf uploaded. | 17 September 2014 15:00 CEST | Version of Record | https://www.mdpi.com/1424-8247/7/9/943/pdf |
