| article html file updated | 19 August 2015 20:05 CEST | Update | https://www.mdpi.com/1996-1073/7/2/701 |
| article html file updated | 3 June 2014 11:59 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 11:59 CEST | Original file | https://www.mdpi.com/1996-1073/7/2/701/xml |
| article pdf uploaded. | 17 February 2014 14:09 CET | Updated version of record | https://www.mdpi.com/1996-1073/7/2/701/pdf |
| article pdf uploaded. | 17 February 2014 11:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/7/2/701/pdf-vor |
| article pdf uploaded. | 12 February 2014 09:30 CET | Version of Record | https://www.mdpi.com/1996-1073/7/2/701/pdf-vor |
