| article html file updated | 5 February 2020 15:38 CET | Update | https://www.mdpi.com/1660-3397/8/10/2659 |
| article html file updated | 9 May 2019 04:03 CEST | Update | - |
| article html file updated | 20 March 2019 03:29 CET | Update | - |
| article html file updated | 16 June 2015 12:06 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/1660-3397/8/10/2659/xml |
| article html file updated | 6 February 2013 18:44 CET | Update | - |
| article html file updated | 5 February 2013 22:41 CET | Update | - |
| article html file updated | 28 January 2013 20:13 CET | Update | - |
| article html file updated | 25 January 2013 23:38 CET | Update | - |
| article html file updated | 22 January 2013 05:10 CET | Update | - |
| article html file updated | 18 January 2013 10:29 CET | Original file | - |
