| article html file updated | 6 March 2017 06:24 CET | Update | https://www.mdpi.com/1422-0067/14/2/3961 |
| article html file updated | 17 June 2015 06:37 CEST | Update | - |
| article html file updated | 3 December 2013 08:17 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:17 CET | Update | https://www.mdpi.com/1422-0067/14/2/3961/xml |
| article html file updated | 5 March 2013 19:40 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:38 CET | Original file | - |
| article pdf uploaded. | 18 February 2013 11:18 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/3961/pdf |
