| article html file updated | 16 June 2015 21:16 CEST | Update | https://www.mdpi.com/1424-8220/12/1/1072 |
| article html file updated | 31 October 2013 10:29 CET | Update | - |
| article xml file uploaded | 31 October 2013 10:28 CET | Original file | https://www.mdpi.com/1424-8220/12/1/1072/xml |
| article html file updated | 7 February 2013 09:53 CET | Update | - |
| article html file updated | 7 February 2013 00:23 CET | Update | - |
| article html file updated | 6 February 2013 05:41 CET | Update | - |
| article html file updated | 29 January 2013 01:25 CET | Update | - |
| article html file updated | 26 January 2013 07:40 CET | Update | - |
| article html file updated | 23 January 2013 08:14 CET | Original file | - |
