| article html file updated | 6 February 2020 03:59 CET | Update | https://www.mdpi.com/2072-6643/5/9/3352 |
| article html file updated | 8 May 2019 01:16 CEST | Update | - |
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| article html file updated | 17 June 2015 12:40 CEST | Update | - |
| article html file updated | 25 October 2013 09:48 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:48 CEST | Original file | https://www.mdpi.com/2072-6643/5/9/3352/xml |
| article pdf uploaded. | 26 August 2013 12:11 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/9/3352/pdf |
