| article html file updated | 5 February 2020 17:56 CET | Update | https://www.mdpi.com/2073-4425/2/3/608 |
| article html file updated | 20 March 2019 09:07 CET | Update | - |
| article html file updated | 16 June 2015 17:52 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2073-4425/2/3/608/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Update | - |
| article html file updated | 18 March 2014 09:34 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:34 CET | Original file | - |
| article html file updated | 6 February 2013 22:17 CET | Update | - |
| article html file updated | 6 February 2013 02:04 CET | Update | - |
| article html file updated | 28 January 2013 23:27 CET | Update | - |
| article html file updated | 26 January 2013 04:27 CET | Update | - |
| article html file updated | 22 January 2013 20:47 CET | Original file | - |
