| article html file updated | 16 June 2015 16:59 CEST | Update | https://www.mdpi.com/2073-4352/1/3/87 |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2073-4352/1/3/87/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article html file updated | 6 February 2013 21:38 CET | Update | - |
| article html file updated | 6 February 2013 01:29 CET | Update | - |
| article html file updated | 28 January 2013 22:53 CET | Update | - |
| article html file updated | 26 January 2013 03:22 CET | Update | - |
| article html file updated | 22 January 2013 18:25 CET | Original file | - |
