| article html file updated | 5 February 2020 16:33 CET | Update | https://www.mdpi.com/1660-3397/9/2/196 |
| article html file updated | 9 May 2019 02:14 CEST | Update | N/A |
| article html file updated | 20 March 2019 05:37 CET | Update | N/A |
| article html file updated | 16 June 2015 14:09 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:07 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/1660-3397/9/2/196/xml |
| article html file updated | 14 August 2014 12:03 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:03 CEST | Original file | N/A |
| article html file updated | 6 February 2013 19:50 CET | Update | N/A |
| article html file updated | 5 February 2013 23:45 CET | Update | N/A |
| article html file updated | 28 January 2013 21:15 CET | Update | N/A |
| article html file updated | 26 January 2013 01:02 CET | Update | N/A |
| article html file updated | 22 January 2013 10:14 CET | Original file | N/A |
