| article html file updated | 21 August 2015 04:28 CEST | Update | https://www.mdpi.com/1424-8220/14/12/24523 |
| article html file updated | 20 January 2015 08:49 CET | Original file | N/A |
| article xml file uploaded | 20 January 2015 08:49 CET | Original file | https://www.mdpi.com/1424-8220/14/12/24523/xml |
| article pdf uploaded. | 22 December 2014 09:52 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/12/24523/pdf |
| article pdf uploaded. | 19 December 2014 13:18 CET | Version of Record | https://www.mdpi.com/1424-8220/14/12/24523/pdf-vor |
