| article html file updated | 5 February 2020 21:05 CET | Update | https://www.mdpi.com/1422-0067/13/7/8500 |
| article html file updated | 8 May 2019 16:41 CEST | Update | - |
| article html file updated | 25 March 2019 12:36 CET | Update | - |
| article html file updated | 17 June 2015 00:54 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/1422-0067/13/7/8500/xml |
| article html file updated | 7 February 2013 13:25 CET | Update | - |
| article html file updated | 7 February 2013 03:22 CET | Update | - |
| article html file updated | 6 February 2013 08:42 CET | Update | - |
| article html file updated | 29 January 2013 05:12 CET | Update | - |
| article html file updated | 26 January 2013 11:53 CET | Update | - |
| article html file updated | 23 January 2013 21:32 CET | Original file | - |
