| article html file updated | 5 February 2020 16:11 CET | Update | https://www.mdpi.com/1660-3397/8/12/2961 |
| article html file updated | 9 May 2019 03:01 CEST | Update | - |
| article html file updated | 20 March 2019 04:43 CET | Update | - |
| article html file updated | 16 June 2015 13:07 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/1660-3397/8/12/2961/xml |
| article html file updated | 6 February 2013 19:15 CET | Update | - |
| article html file updated | 5 February 2013 23:08 CET | Update | - |
| article html file updated | 28 January 2013 20:40 CET | Update | - |
| article html file updated | 26 January 2013 00:15 CET | Update | - |
| article html file updated | 22 January 2013 07:13 CET | Original file | - |
