| article html file updated | 6 February 2020 06:29 CET | Update | https://www.mdpi.com/1660-4601/11/1/456 |
| article html file updated | 7 May 2019 20:19 CEST | Update | - |
| article html file updated | 21 March 2019 10:15 CET | Update | - |
| article html file updated | 19 August 2015 15:50 CEST | Update | - |
| article html file updated | 17 February 2014 11:13 CET | Original file | - |
| article xml file uploaded | 17 February 2014 11:13 CET | Original file | https://www.mdpi.com/1660-4601/11/1/456/xml |
| article pdf uploaded. | 3 January 2014 14:16 CET | Updated version of record | https://www.mdpi.com/1660-4601/11/1/456/pdf |
| article pdf uploaded. | 30 December 2013 11:52 CET | Version of Record | https://www.mdpi.com/1660-4601/11/1/456/pdf-vor |
