| article html file updated | 6 February 2020 11:42 CET | Update | https://www.mdpi.com/1996-1073/7/8/5500 |
| article html file updated | 12 September 2019 07:14 CEST | Update | - |
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| article html file updated | 5 September 2014 10:33 CEST | Original file | - |
| article xml file uploaded | 5 September 2014 10:33 CEST | Original file | https://www.mdpi.com/1996-1073/7/8/5500/xml |
| article pdf uploaded. | 22 August 2014 11:40 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/8/5500/pdf |
