| article html file updated | 21 August 2015 04:50 CEST | Update | https://www.mdpi.com/1424-8220/15/1/234 |
| article html file updated | 13 February 2015 07:11 CET | Original file | - |
| article xml file uploaded | 13 February 2015 07:11 CET | Original file | https://www.mdpi.com/1424-8220/15/1/234/xml |
| article pdf uploaded. | 24 December 2014 13:58 CET | Version of Record | https://www.mdpi.com/1424-8220/15/1/234/pdf |
