| article html file updated | 5 February 2020 19:31 CET | Update | https://www.mdpi.com/1422-0067/13/2/2425 |
| article html file updated | 8 May 2019 20:09 CEST | Update | - |
| article html file updated | 25 March 2019 09:31 CET | Update | - |
| article html file updated | 16 June 2015 21:54 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/13/2/2425/xml |
| article html file updated | 7 February 2013 10:40 CET | Update | - |
| article html file updated | 7 February 2013 00:50 CET | Update | - |
| article html file updated | 6 February 2013 06:12 CET | Update | - |
| article html file updated | 29 January 2013 01:52 CET | Update | - |
| article html file updated | 26 January 2013 08:20 CET | Update | - |
| article html file updated | 23 January 2013 10:41 CET | Original file | - |
