| article html file updated | 6 February 2020 11:36 CET | Update | https://www.mdpi.com/2077-0375/4/3/565 |
| article html file updated | 7 May 2019 09:26 CEST | Update | - |
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| article html file updated | 20 August 2015 15:56 CEST | Update | - |
| article html file updated | 14 October 2014 06:28 CEST | Original file | - |
| article xml file uploaded | 14 October 2014 06:28 CEST | Original file | https://www.mdpi.com/2077-0375/4/3/565/xml |
| article pdf uploaded. | 20 August 2014 09:50 CEST | Version of Record | https://www.mdpi.com/2077-0375/4/3/565/pdf |
