| article html file updated | 19 August 2015 14:33 CEST | Update | https://www.mdpi.com/1424-8220/14/1/170 |
| article html file updated | 20 February 2014 08:55 CET | Original file | N/A |
| article xml file uploaded | 20 February 2014 08:54 CET | Original file | https://www.mdpi.com/1424-8220/14/1/170/xml |
| article pdf uploaded. | 20 December 2013 11:21 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/170/pdf |
