| article html file updated | 5 February 2020 19:16 CET | Update | https://www.mdpi.com/1422-0067/13/2/1444 |
| article html file updated | 8 May 2019 20:41 CEST | Update | - |
| article html file updated | 25 March 2019 09:04 CET | Update | - |
| article html file updated | 16 June 2015 21:24 CEST | Update | - |
| article html file updated | 7 February 2013 10:00 CET | Update | - |
| article html file updated | 7 February 2013 00:29 CET | Update | - |
| article html file updated | 6 February 2013 05:46 CET | Update | - |
| article html file updated | 29 January 2013 01:30 CET | Update | - |
| article html file updated | 26 January 2013 07:48 CET | Update | - |
| article html file updated | 25 January 2013 15:57 CET | Update | - |
| article xml uploaded. | 25 January 2013 15:57 CET | Original file | https://www.mdpi.com/1422-0067/13/2/1444/xml |
| article html file updated | 23 January 2013 08:43 CET | Original file | - |
