| article html file updated | 16 June 2015 10:31 CEST | Update | https://www.mdpi.com/1424-8220/10/7/6377 |
| article html file updated | 28 April 2014 11:11 CEST | Update | N/A |
| article xml file uploaded | 28 April 2014 11:11 CEST | Original file | https://www.mdpi.com/1424-8220/10/7/6377/xml |
| article html file updated | 6 February 2013 17:58 CET | Update | N/A |
| article html file updated | 5 February 2013 22:05 CET | Update | N/A |
| article html file updated | 28 January 2013 19:36 CET | Update | N/A |
| article html file updated | 25 January 2013 22:47 CET | Update | N/A |
| article html file updated | 22 January 2013 01:38 CET | Update | N/A |
| article html file updated | 18 January 2013 07:46 CET | Original file | N/A |
