| article html file updated | 17 June 2015 00:40 CEST | Update | https://www.mdpi.com/1424-8220/12/7/8755 |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1424-8220/12/7/8755/xml |
| article html file updated | 7 February 2013 13:09 CET | Update | - |
| article html file updated | 7 February 2013 03:01 CET | Update | - |
| article html file updated | 6 February 2013 08:28 CET | Update | - |
| article html file updated | 29 January 2013 04:56 CET | Update | - |
| article html file updated | 26 January 2013 11:34 CET | Update | - |
| article html file updated | 23 January 2013 20:46 CET | Original file | - |
