| article html file updated | 6 February 2020 02:43 CET | Update | https://www.mdpi.com/1422-0067/14/6/12764 |
| article html file updated | 8 May 2019 03:51 CEST | Update | - |
| article html file updated | 21 March 2019 00:02 CET | Update | - |
| article html file updated | 17 June 2015 10:24 CEST | Update | - |
| article html file updated | 30 July 2013 13:52 CEST | Update | - |
| article xml file uploaded | 30 July 2013 13:52 CEST | Update | https://www.mdpi.com/1422-0067/14/6/12764/xml |
| article html file updated | 19 July 2013 10:58 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 10:58 CEST | Original file | - |
| article pdf uploaded. | 19 June 2013 16:00 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/12764/pdf |
