| article html file updated | 6 February 2020 14:34 CET | Update | https://www.mdpi.com/2072-6651/6/12/3471 |
| article html file updated | 7 May 2019 03:44 CEST | Update | - |
| article html file updated | 25 March 2019 19:29 CET | Update | - |
| article html file updated | 21 August 2015 04:26 CEST | Update | - |
| article html file updated | 31 December 2014 10:47 CET | Original file | - |
| article xml file uploaded | 31 December 2014 10:47 CET | Original file | https://www.mdpi.com/2072-6651/6/12/3471/xml |
| article pdf uploaded. | 18 December 2014 16:26 CET | Updated version of record | https://www.mdpi.com/2072-6651/6/12/3471/pdf |
| article pdf uploaded. | 18 December 2014 13:42 CET | Version of Record | - |
