| article html file updated | 20 August 2015 09:11 CEST | Update | https://www.mdpi.com/1424-8220/14/6/9961 |
| article html file updated | 30 July 2014 08:36 CEST | Original file | - |
| article xml file uploaded | 30 July 2014 08:35 CEST | Original file | https://www.mdpi.com/1424-8220/14/6/9961/xml |
| article pdf uploaded. | 10 June 2014 16:55 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/6/9961/pdf |
| article pdf uploaded. | 10 June 2014 16:53 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/6/9961/pdf-vor |
| article pdf uploaded. | 6 June 2014 09:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/6/9961/pdf-vor |
