| article html file updated | 5 February 2020 16:44 CET | Update | https://www.mdpi.com/1660-3397/9/3/307 |
| article html file updated | 9 May 2019 01:52 CEST | Update | - |
| article html file updated | 20 March 2019 06:03 CET | Update | - |
| article html file updated | 16 June 2015 14:36 CEST | Update | - |
| article html file updated | 14 August 2014 12:07 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/1660-3397/9/3/307/xml |
| article html file updated | 14 August 2014 12:03 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:03 CEST | Original file | - |
| article html file updated | 6 February 2013 20:08 CET | Update | - |
| article html file updated | 6 February 2013 00:00 CET | Update | - |
| article html file updated | 28 January 2013 21:30 CET | Update | - |
| article html file updated | 26 January 2013 01:23 CET | Update | - |
| article html file updated | 22 January 2013 11:45 CET | Original file | - |
