| article html file updated | 5 February 2020 19:41 CET | Update | https://www.mdpi.com/2073-4425/3/1/167 |
| article html file updated | 8 May 2019 19:48 CEST | Update | - |
| article html file updated | 25 March 2019 09:49 CET | Update | - |
| article html file updated | 16 June 2015 22:13 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/2073-4425/3/1/167/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 | 17 February 2014 10:47 CET | Update | - |
| article xml file uploaded | 17 February 2014 10:46 CET | Original file | - |
| article html file updated | 7 February 2013 10:58 CET | Update | - |
| article html file updated | 7 February 2013 01:03 CET | Update | - |
| article html file updated | 6 February 2013 06:27 CET | Update | - |
| article html file updated | 29 January 2013 02:06 CET | Update | - |
| article html file updated | 26 January 2013 08:40 CET | Update | - |
| article html file updated | 23 January 2013 12:04 CET | Original file | - |
