| article html file updated | 5 February 2020 15:39 CET | Update | https://www.mdpi.com/1660-3397/8/10/2721 |
| article html file updated | 9 May 2019 04:00 CEST | Update | N/A |
| article html file updated | 20 March 2019 03:32 CET | Update | N/A |
| article html file updated | 16 June 2015 12:09 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/10/2721/xml |
| article html file updated | 6 February 2013 18:45 CET | Update | N/A |
| article html file updated | 5 February 2013 22:42 CET | Update | N/A |
| article html file updated | 28 January 2013 20:14 CET | Update | N/A |
| article html file updated | 25 January 2013 23:40 CET | Update | N/A |
| article html file updated | 22 January 2013 05:15 CET | Update | N/A |
| article html file updated | 18 January 2013 10:36 CET | Original file | N/A |
