| article html file updated | 6 February 2020 02:26 CET | Update | https://www.mdpi.com/1422-0067/14/6/11713 |
| article html file updated | 8 May 2019 04:28 CEST | Update | - |
| article html file updated | 20 March 2019 23:19 CET | Update | - |
| article html file updated | 17 June 2015 09:54 CEST | Update | - |
| article html file updated | 30 July 2013 13:49 CEST | Update | - |
| article xml file uploaded | 30 July 2013 13:49 CEST | Update | https://www.mdpi.com/1422-0067/14/6/11713/xml |
| article html file updated | 19 July 2013 10:31 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 10:30 CEST | Original file | - |
| article pdf uploaded. | 31 May 2013 14:03 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/11713/pdf |
