| article html file updated | 15 June 2018 10:24 CEST | Update | https://www.mdpi.com/2218-273X/2/1/143 |
| article html file updated | 16 June 2015 22:07 CEST | Update | - |
| article html file updated | 12 May 2014 15:29 CEST | Update | - |
| article xml file uploaded | 12 May 2014 15:29 CEST | Original file | https://www.mdpi.com/2218-273X/2/1/143/xml |
| article html file updated | 7 February 2013 10:53 CET | Update | - |
| article html file updated | 7 February 2013 00:59 CET | Update | - |
| article html file updated | 6 February 2013 06:22 CET | Update | - |
| article html file updated | 29 January 2013 02:01 CET | Update | - |
| article html file updated | 26 January 2013 08:33 CET | Update | - |
| article html file updated | 23 January 2013 11:36 CET | Original file | - |
