| article html file updated | 6 February 2020 18:21 CET | Update | https://www.mdpi.com/2227-7390/3/2/329 |
| article html file updated | 20 September 2019 21:01 CEST | Update | - |
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| article html file updated | 21 August 2015 11:40 CEST | Update | - |
| article html file updated | 8 July 2015 10:59 CEST | Original file | - |
| article xml file uploaded | 8 July 2015 10:59 CEST | Original file | https://www.mdpi.com/2227-7390/3/2/329/xml |
| article pdf uploaded. | 6 May 2015 11:29 CEST | Version of Record | https://www.mdpi.com/2227-7390/3/2/329/pdf |
