| article html file updated | 5 February 2020 17:51 CET | Update | https://www.mdpi.com/2073-4425/2/3/578 |
| article html file updated | 8 January 2020 14:19 CET | Update | - |
| article html file updated | 19 September 2019 05:28 CEST | Update | - |
| article html file updated | 8 May 2019 23:41 CEST | Update | - |
| article html file updated | 20 March 2019 08:54 CET | Update | - |
| article html file updated | 16 June 2015 17:36 CEST | Update | - |
| article html file updated | 18 March 2014 09:33 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:33 CET | Update | https://www.mdpi.com/2073-4425/2/3/578/xml |
| article html file updated | 6 February 2013 22:05 CET | Update | - |
| article html file updated | 6 February 2013 01:54 CET | Update | - |
| article html file updated | 29 January 2013 15:46 CET | Update | - |
| article xml file uploaded | 29 January 2013 15:46 CET | Update | - |
| article html file updated | 28 January 2013 23:18 CET | Update | - |
| article html file updated | 26 January 2013 04:11 CET | Update | - |
| article html file updated | 22 January 2013 20:05 CET | Update | - |
| article html file updated | 16 January 2013 13:10 CET | Original file | - |
| article xml file uploaded | 16 January 2013 13:10 CET | Original file | - |