| article html file updated | 20 August 2015 09:09 CEST | Update | https://www.mdpi.com/1424-8220/14/6/9900 |
| article html file updated | 30 July 2014 08:34 CEST | Original file | N/A |
| article xml file uploaded | 30 July 2014 08:34 CEST | Original file | https://www.mdpi.com/1424-8220/14/6/9900/xml |
| article pdf uploaded. | 5 June 2014 13:56 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/6/9900/pdf |
