| article html file updated | 21 August 2015 14:01 CEST | Update | https://www.mdpi.com/1424-8220/15/6/14809 |
| article html file updated | 15 July 2015 05:38 CEST | Original file | - |
| article xml file uploaded | 15 July 2015 05:38 CEST | Original file | https://www.mdpi.com/1424-8220/15/6/14809/xml |
| article pdf uploaded. | 23 June 2015 14:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/14809/pdf |
