| article html file updated | 23 February 2017 02:20 CET | Update | https://www.mdpi.com/1422-0067/14/2/4174 |
| article html file updated | 17 June 2015 06:40 CEST | Update | - |
| article html file updated | 3 December 2013 08:18 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:18 CET | Update | https://www.mdpi.com/1422-0067/14/2/4174/xml |
| article html file updated | 5 March 2013 19:48 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:48 CET | Original file | - |
| article pdf uploaded. | 19 February 2013 10:32 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/4174/pdf |
