| article html file updated | 20 August 2015 00:20 CEST | Update | https://www.mdpi.com/1996-1944/7/3/2301 |
| article html file updated | 3 June 2014 14:22 CEST | Original file | N/A |
| article xml file uploaded | 3 June 2014 14:21 CEST | Original file | https://www.mdpi.com/1996-1944/7/3/2301/xml |
| article pdf uploaded. | 19 March 2014 11:47 CET | Version of Record | https://www.mdpi.com/1996-1944/7/3/2301/pdf |
