| article html file updated | 16 June 2015 20:53 CEST | Update | https://www.mdpi.com/1424-8220/12/1/297 |
| article html file updated | 31 October 2013 10:26 CET | Update | N/A |
| article xml file uploaded | 31 October 2013 10:26 CET | Original file | https://www.mdpi.com/1424-8220/12/1/297/xml |
| article html file updated | 7 February 2013 09:31 CET | Update | N/A |
| article html file updated | 7 February 2013 00:05 CET | Update | N/A |
| article html file updated | 6 February 2013 05:21 CET | Update | N/A |
| article html file updated | 29 January 2013 01:08 CET | Update | N/A |
| article html file updated | 26 January 2013 07:13 CET | Update | N/A |
| article html file updated | 23 January 2013 06:43 CET | Original file | N/A |
