| article html file updated | 6 February 2020 23:06 CET | Update | https://www.mdpi.com/2073-4468/4/3/278 |
| article html file updated | 21 September 2019 03:55 CEST | Update | - |
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| article html file updated | 14 October 2015 09:49 CEST | Original file | - |
| article xml file uploaded | 14 October 2015 09:49 CEST | Original file | https://www.mdpi.com/2073-4468/4/3/278/xml |
| article pdf uploaded. | 22 September 2015 16:03 CEST | Version of Record | https://www.mdpi.com/2073-4468/4/3/278/pdf |
