| article html file updated | 19 August 2015 21:23 CEST | Update | https://www.mdpi.com/1424-8220/14/2/3721 |
| article html file updated | 14 March 2014 11:03 CET | Original file | N/A |
| article xml file uploaded | 14 March 2014 11:03 CET | Original file | https://www.mdpi.com/1424-8220/14/2/3721/xml |
| article pdf uploaded. | 25 February 2014 08:57 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/2/3721/pdf |
| article pdf uploaded. | 24 February 2014 17:10 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/2/3721/pdf-vor |
| article pdf uploaded. | 21 February 2014 14:58 CET | Version of Record | https://www.mdpi.com/1424-8220/14/2/3721/pdf-vor |
