| article html file updated | 6 February 2020 19:46 CET | Update | https://www.mdpi.com/1660-4601/12/6/6946 |
| article html file updated | 20 September 2019 22:56 CEST | Update | - |
| article html file updated | 6 May 2019 17:37 CEST | Update | - |
| article html file updated | 26 March 2019 04:53 CET | Update | - |
| article html file updated | 29 June 2017 13:18 CEST | Update | - |
| article html file updated | 21 August 2015 13:44 CEST | Update | - |
| article html file updated | 2 July 2015 06:37 CEST | Original file | - |
| article xml file uploaded | 2 July 2015 06:37 CEST | Original file | https://www.mdpi.com/1660-4601/12/6/6946/xml |
| article pdf uploaded. | 17 June 2015 11:59 CEST | Version of Record | https://www.mdpi.com/1660-4601/12/6/6946/pdf |
