| article html file updated | 5 February 2020 16:41 CET | Update | https://www.mdpi.com/1422-0067/12/2/1371 |
| article html file updated | 9 May 2019 01:59 CEST | Update | - |
| article html file updated | 20 March 2019 05:54 CET | Update | - |
| article html file updated | 16 June 2015 14:25 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/1422-0067/12/2/1371/xml |
| article html file updated | 6 February 2013 20:00 CET | Update | - |
| article html file updated | 5 February 2013 23:54 CET | Update | - |
| article html file updated | 28 January 2013 21:24 CET | Update | - |
| article html file updated | 26 January 2013 01:15 CET | Update | - |
| article html file updated | 22 January 2013 11:12 CET | Original file | - |
