| article html file updated | 6 February 2020 05:53 CET | Update | https://www.mdpi.com/1660-4601/10/12/6500 |
| article html file updated | 20 September 2019 03:48 CEST | Update | - |
| article html file updated | 7 May 2019 21:28 CEST | Update | - |
| article html file updated | 21 March 2019 08:33 CET | Update | - |
| article html file updated | 19 August 2015 11:47 CEST | Update | - |
| article html file updated | 7 January 2014 13:17 CET | Original file | - |
| article xml file uploaded | 7 January 2014 13:17 CET | Original file | https://www.mdpi.com/1660-4601/10/12/6500/xml |
| article pdf uploaded. | 29 November 2013 11:16 CET | Version of Record | https://www.mdpi.com/1660-4601/10/12/6500/pdf |
