| article html file updated | 21 August 2015 02:34 CEST | Update | https://www.mdpi.com/1424-8220/14/12/22300 |
| article html file updated | 20 January 2015 08:39 CET | Original file | N/A |
| article xml file uploaded | 20 January 2015 08:39 CET | Original file | https://www.mdpi.com/1424-8220/14/12/22300/xml |
| article pdf uploaded. | 25 November 2014 11:58 CET | Version of Record | https://www.mdpi.com/1424-8220/14/12/22300/pdf |
