| article html file updated | 6 February 2020 06:38 CET | Update | https://www.mdpi.com/1660-4601/11/1/804 |
| article html file updated | 7 May 2019 20:00 CEST | Update | - |
| article html file updated | 21 March 2019 10:45 CET | Update | - |
| article html file updated | 19 August 2015 16:49 CEST | Update | - |
| article html file updated | 17 February 2014 11:19 CET | Original file | - |
| article xml file uploaded | 17 February 2014 11:18 CET | Original file | https://www.mdpi.com/1660-4601/11/1/804/xml |
| article pdf uploaded. | 8 January 2014 10:35 CET | Version of Record | https://www.mdpi.com/1660-4601/11/1/804/pdf |
