| article html file updated | 16 June 2015 19:46 CEST | Update | https://www.mdpi.com/1424-8220/11/11/10638 |
| article html file updated | 14 August 2014 12:05 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1424-8220/11/11/10638/xml |
| article html file updated | 6 February 2013 23:22 CET | Update | N/A |
| article html file updated | 6 February 2013 03:19 CET | Update | N/A |
| article html file updated | 29 January 2013 00:27 CET | Update | N/A |
| article html file updated | 26 January 2013 06:04 CET | Update | N/A |
| article html file updated | 23 January 2013 01:36 CET | Original file | N/A |
