| article html file updated | 6 February 2020 21:18 CET | Update | https://www.mdpi.com/2075-4701/5/3/1397 |
| article html file updated | 6 May 2019 14:30 CEST | Update | - |
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| article html file updated | 13 October 2015 12:19 CEST | Update | - |
| article xml file uploaded | 13 October 2015 12:19 CEST | Original file | https://www.mdpi.com/2075-4701/5/3/1397/xml |
| article html file updated | 21 August 2015 15:21 CEST | Original file | - |
| article pdf uploaded. | 31 July 2015 14:03 CEST | Version of Record | https://www.mdpi.com/2075-4701/5/3/1397/pdf |
