| article html file updated | 17 June 2015 06:38 CEST | Update | https://www.mdpi.com/1424-8220/13/2/2447 |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1424-8220/13/2/2447/xml |
| article html file updated | 30 October 2013 09:59 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:58 CET | Update | - |
| article html file updated | 30 October 2013 09:29 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:28 CET | Update | - |
| article html file updated | 21 May 2013 09:35 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:34 CEST | Update | - |
| article html file updated | 23 April 2013 15:28 CEST | Update | - |
| article xml file uploaded | 23 April 2013 15:27 CEST | Update | - |
| article html file updated | 25 March 2013 12:45 CET | Original file | - |
| article xml file uploaded | 25 March 2013 12:42 CET | Original file | - |
| article pdf uploaded. | 18 February 2013 11:29 CET | Version of Record | https://www.mdpi.com/1424-8220/13/2/2447/pdf |
