| article html file updated | 5 February 2020 17:08 CET | Update | https://www.mdpi.com/1660-3397/9/5/712 |
| article html file updated | 9 May 2019 01:07 CEST | Update | - |
| article html file updated | 20 March 2019 07:12 CET | Update | - |
| article html file updated | 16 June 2015 15:44 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/1660-3397/9/5/712/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 20:49 CET | Update | - |
| article html file updated | 6 February 2013 00:41 CET | Update | - |
| article html file updated | 28 January 2013 22:08 CET | Update | - |
| article html file updated | 26 January 2013 02:16 CET | Update | - |
| article html file updated | 22 January 2013 15:02 CET | Original file | - |
