| article html file updated | 6 February 2020 19:38 CET | Update | https://www.mdpi.com/2072-6651/7/6/2198 |
| article html file updated | 6 May 2019 17:53 CEST | Update | - |
| article html file updated | 26 March 2019 04:39 CET | Update | - |
| article html file updated | 21 August 2015 13:34 CEST | Update | - |
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| article xml file uploaded | 2 July 2015 10:15 CEST | Original file | https://www.mdpi.com/2072-6651/7/6/2198/xml |
| article pdf uploaded. | 12 June 2015 11:41 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/6/2198/pdf |
