| article html file updated | 16 June 2015 16:52 CEST | Update | https://www.mdpi.com/1999-4893/4/2/115 |
| article html file updated | 14 August 2014 11:40 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:40 CEST | Update | https://www.mdpi.com/1999-4893/4/2/115/xml |
| article html file updated | 14 August 2014 11:20 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:20 CEST | Original file | N/A |
| article html file updated | 6 February 2013 21:33 CET | Update | N/A |
| article html file updated | 6 February 2013 01:25 CET | Update | N/A |
| article html file updated | 28 January 2013 22:49 CET | Update | N/A |
| article html file updated | 26 January 2013 03:13 CET | Update | N/A |
| article html file updated | 22 January 2013 18:04 CET | Original file | N/A |