| article html file updated | 19 August 2015 22:51 CEST | Update | https://www.mdpi.com/1996-1944/7/3/1927 |
| article html file updated | 3 June 2014 14:14 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 14:13 CEST | Original file | https://www.mdpi.com/1996-1944/7/3/1927/xml |
| article pdf uploaded. | 7 March 2014 16:07 CET | Updated version of record | https://www.mdpi.com/1996-1944/7/3/1927/pdf |
| article pdf uploaded. | 6 March 2014 13:25 CET | Version of Record | https://www.mdpi.com/1996-1944/7/3/1927/pdf-vor |
