| article html file updated | 16 June 2015 21:06 CEST | Update | https://www.mdpi.com/1424-8220/12/1/806 |
| article html file updated | 31 October 2013 10:28 CET | Update | N/A |
| article xml file uploaded | 31 October 2013 10:28 CET | Original file | https://www.mdpi.com/1424-8220/12/1/806/xml |
| article html file updated | 7 February 2013 09:44 CET | Update | N/A |
| article html file updated | 7 February 2013 00:15 CET | Update | N/A |
| article html file updated | 6 February 2013 05:33 CET | Update | N/A |
| article html file updated | 29 January 2013 01:18 CET | Update | N/A |
| article html file updated | 26 January 2013 07:29 CET | Update | N/A |
| article html file updated | 23 January 2013 07:37 CET | Original file | N/A |
