| article html file updated | 17 June 2015 06:08 CEST | Update | https://www.mdpi.com/1424-8220/13/2/1942 |
| article html file updated | 30 October 2013 11:46 CET | Update | - |
| article xml file uploaded | 30 October 2013 11:46 CET | Update | https://www.mdpi.com/1424-8220/13/2/1942/xml |
| article html file updated | 30 October 2013 09:46 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:46 CET | Update | - |
| article html file updated | 30 October 2013 09:28 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:28 CET | Update | - |
| article html file updated | 21 May 2013 09:34 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:34 CEST | Update | - |
| article html file updated | 23 April 2013 15:16 CEST | Update | - |
| article xml file uploaded | 23 April 2013 15:16 CEST | Update | - |
| article html file updated | 25 March 2013 12:15 CET | Original file | - |
| article xml file uploaded | 25 March 2013 12:15 CET | Original file | - |
| article pdf uploaded. | 4 February 2013 13:31 CET | Version of Record | https://www.mdpi.com/1424-8220/13/2/1942/pdf |