| article html file updated | 19 August 2015 17:34 CEST | Update | https://www.mdpi.com/1424-8220/14/1/1544 |
| article html file updated | 20 February 2014 09:37 CET | Original file | - |
| article xml file uploaded | 20 February 2014 09:37 CET | Original file | https://www.mdpi.com/1424-8220/14/1/1544/xml |
| article pdf uploaded. | 16 January 2014 11:04 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/1544/pdf |
