| article html file updated | 5 February 2020 14:28 CET | Update | https://www.mdpi.com/1660-3397/8/5/1650 |
| article html file updated | 9 May 2019 06:27 CEST | Update | - |
| article html file updated | 20 March 2019 00:19 CET | Update | - |
| article html file updated | 16 June 2015 09:45 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/5/1650/xml |
| article html file updated | 6 February 2013 17:32 CET | Update | - |
| article html file updated | 5 February 2013 21:41 CET | Update | - |
| article html file updated | 28 January 2013 19:13 CET | Update | - |
| article html file updated | 25 January 2013 22:15 CET | Update | - |
| article html file updated | 22 January 2013 00:03 CET | Update | - |
| article html file updated | 18 January 2013 06:18 CET | Original file | - |
