| article html file updated | 6 February 2020 18:49 CET | Update | https://www.mdpi.com/1996-1073/8/5/4572 |
| article html file updated | 6 May 2019 19:38 CEST | Update | - |
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| article html file updated | 21 August 2015 12:24 CEST | Update | - |
| article html file updated | 26 June 2015 08:51 CEST | Original file | - |
| article xml file uploaded | 26 June 2015 08:51 CEST | Original file | https://www.mdpi.com/1996-1073/8/5/4572/xml |
| article pdf uploaded. | 21 May 2015 09:37 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/5/4572/pdf |
