| article html file updated | 5 February 2020 19:17 CET | Update | https://www.mdpi.com/1422-0067/13/2/1461 |
| article html file updated | 8 May 2019 20:40 CEST | Update | - |
| article html file updated | 25 March 2019 09:05 CET | Update | - |
| article html file updated | 16 June 2015 21:24 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/1422-0067/13/2/1461/xml |
| article html file updated | 7 February 2013 10:01 CET | Update | - |
| article html file updated | 7 February 2013 00:29 CET | Update | - |
| article html file updated | 6 February 2013 05:47 CET | Update | - |
| article html file updated | 29 January 2013 01:31 CET | Update | - |
| article html file updated | 26 January 2013 07:49 CET | Update | - |
| article html file updated | 23 January 2013 08:45 CET | Original file | - |
