| article html file updated | 21 August 2015 02:25 CEST | Update | https://www.mdpi.com/1424-8220/14/11/22021 |
| article html file updated | 29 December 2014 02:53 CET | Original file | - |
| article xml file uploaded | 29 December 2014 02:53 CET | Original file | https://www.mdpi.com/1424-8220/14/11/22021/xml |
| article pdf uploaded. | 20 November 2014 12:31 CET | Version of Record | https://www.mdpi.com/1424-8220/14/11/22021/pdf |
