| article html file updated | 19 August 2015 16:02 CEST | Update | https://www.mdpi.com/1424-8220/14/1/492 |
| article html file updated | 20 February 2014 09:06 CET | Original file | - |
| article xml file uploaded | 20 February 2014 09:05 CET | Original file | https://www.mdpi.com/1424-8220/14/1/492/xml |
| article pdf uploaded. | 31 December 2013 09:53 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/492/pdf |
